0L Ford Explorer (or 4. The starter solenoid directs power through the engine and helps reinforce the charge in a starter component. Components we can repair or. I checked all of the fuses in the passenger compartment, #6 under the hood, and was about to get ready to pull the GEM and decided to check ALL if the fuses under the hood. When it comes to your Ford F-250, you want parts and products from only trusted brands. If you have 12 volt the switch is good and the starter is bad. How to Tell If a Starter Relay Is Bad in a Ford eHow How to Tell If a Starter Relay Is Bad in a Ford How to Test Starter Relays. The basic starter kill relay diagram shown below, breaks continuity of the wire from the ignition switch to the starter motor (or in some cases i. We offer complete ecm repair and rebuild services for all makes and models including Jaguar, BMW, Lexus and Mercedes Benz. After bench testing this starter, I found that the solenoid had an open circuit when activated. If the relay clicks and there isn't battery voltage on the 2nd big terminal, the relay is bad. I pulled starter, and to my surprize , the solenoid came off easily. 3L - 66-8363. if your horn still works and the car still doesnt start it's not the relay. Checking relay connections with a circuit tester. A relay does the. need help getting tc45d to so i can finish job-was running fine -turned off engage starter -by reading forum -seems like must be neutral safety switch & /or relay-how do I test /by pass etc to get it running-don't really understand how to test starter-any help would be really great-thanks -haiku. Checked the battery. Once all batteries are tested, perform a voltage drop test on the starter main cables. The test light lit up, however when I hit the starter button the light went out. If nothing happens when you put 12v to the small terminal (no click), the relay is bad. The last test is to confirm the trigger voltage is reaching the solenoid when you turn the key. Notice the thermostatic connector in the drawing. Extremely strange starter issues on Ford F-150 was created by RhysT Hey everyone, I have a 99' Ford F-150 with 4. Replaced starter relay what to check next 1 Answer. Just one single click. Go to the next paragraph. FORD EXOTICGRUEN MET 2789 Car Paint SEADOO GTI RFI '04 OEM STARTER RELAY Used [S845-168] ・Please check with your country's customs office to determine what. At the same time, the starter solenoid pushes the starter gear forward to mesh with the ring gear of the engine flexplate or flywheel. It's also how to start the engine with the key just in the 'run' position instead of the 'start' position in. I ungrounded the solenoid. 1987 - 1996 F150 & Larger F-Series Trucks - How to bench test older style starter - I have a starter motor pulled from truck. This starter is designed for 12-VOLT systems only!! Use of this starter with higher than 12. Checking relay connections with a circuit tester. Then jump between the screw and the terminal that is connected to the battery. Choose top quality brands AC Delco, Forecast, Motorcraft, Standard Motor Products. • By using your scan tool, update the transmission controller software to. Basic Bench Testing Of a Starter Motor If you are having trouble starting your car, it may be that the starter motor has some problems. Seeking info about Ford F 150 Starter Solenoid Wiring Diagram? you are right below. The starter is designed for use on Ford applications. If it is not, check the battery fluid level (if it is low, add distilled water to bring the level up to the fill line) and charge the battery now. The first connection to check is the positive battery cable, where it terminates at the solenoid (located on the starter motor). There should be one or two smaller wires going to the solenoid as well as the two large cables. When you turn the key, have a friend listen to the solenoid for a clicking sound. Step 1 - To test for intermitted relay failures which are common, remove the relay in question, take a small wire strand, about two inches long and insert it into the relay connector terminal 87 or 30. Put one of the small terminals of the solenoid to the minus side of a battery. To test a relay to see whether it is good or defective, the simplest way to do would be to use a multimeter set to the ohmmeter setting and measure various resistance values of the relay. The vehicle was towed to montgomery motors (214 s main st, troy, nc 27371,. Step 2: With the voltmeter still connected, turn the key to the start position and read the voltage. If you have any question, please feel free to contact us. The logic here is the same as above with the exception of adding control to the circuit so that any of the circuit below the MTR1 contact will not be hot until the MTR1 coil is energized, which closes the MTR1 contact. We work hard to build a great website for car parts, so start perusing and see what you find. I have swapped out to a new starter- new -a different Dura II spark box, changed out ignition switch starter relay and still it will not disengage -does anyone have any ideas on this----it is keeping. The starter relay is also known as a starter solenoid. Ford F-150 Starter Replacement While replacing the starter on a F-150 is not difficult, not having the right tools will make the process a nightmare. With no source of power through the starter push button, the do wnstream side of the starter contactor becomes the source of power. So now i am left thinking it is the ignition solenoid or the ignition switch. The shipping charge will be displayed in your online shopping cart. Re: How to test solenoid with multimeter? The two large posts should read near zero ohms when 12 volts is applied to the small posts but this doesn't take the high current needed for starter. I also replaced the small wire on the starter to ensure a good connection. Every now and then, the need arises to bench test a Relay to find out if it's really BAD or not. Our 2000 Taurus suddenly quit starting from the key; I jump it on the starter wire just fine. 8N - Starter - How to Service Page 1 & 2 shows the factory-recommended procedure for servicing the 8N starter. 4 Triton ; My Truck Stalled on the highway wouldnt restart. When you turn the key, have a friend listen to the solenoid for a clicking sound. Relay Buddy 12/24 is a quick go / no-go tester for the most common automotive relays. Both of these conditions will lower the voltage going to the starter which will shorten it's life. Have your friend turn the key again. How to Test a Relay with a Multimeter? The main reason for testing a relay is to find, whether it is a good or defective one. If the fuel pump does not start, use an external 12 VDC power source to apply power directly to the fuel pump. Truck wouldn’t start, battery good, crossed the terminals on the starter relay and truck started. 1996 ford tauras 3. A relay does the. When the engine starts, the starter push button is released which produ ces and interesting result. It does the same for the starter motor when it is an automotive car. 8 terminal of the main relay. The starter solenoid (also called the starter relay) relays a large electric current to the starter motor. Order Starter Relay for your 2002 Ford F-150 and pick it up in store—make your purchase, find a store near you, and get directions. Hook the clamp end of your test light to an engine ground then touch the test light to the starter post with the switch in start position. If you notice any of these warning signs, make sure to contact one of the professional mechanics at YourMechanic. From the solenoid terminal on the starter a wire will run to your accessories and charging system. This is a straightforward process that is detailed in the steps below. You may have to register before you can post: click the register link above to proceed. Light duty wires can be used from the switch to the relay, and heavy duty wires apply power from the relay to the starter solenoid. The battery, starter and digital transmission range switch (neutral safety switch) have been replaced. There were a lot of electrical changes after the 2001 model year 7. How to Rebuild a Starter Motor: Video tutorial on how to rebuild a starter yourself at home. This starter is designed for use on Ford applications. You might have a bad battery or starter cable (one of the two large ones connected to the solenoid) or something may be preventing the starter from turning regardless of input. The image shown here is from a 2008 Ford Escape, Mercury Mariner. 0L Mountaineer) to see if it's the one responsible for your vehicle not cranking. 00 for a new key for, so I'm worried about replacing that. See All Relay for Ford F-150 We've got a wide rang of top-quality Ford F-150 Starter Relay of all the best brands in the industry at an affordable rate. When activated, through the control terminal, the solenoid closes the hi-current electric circuit and sends the battery power to the starter motor. The starter solenoid is a special switch that turns the starter on and off. • When a valve body is replaced it is likely that the solenoid strategy will change, so Ford will include a tag which lists a new solenoid strategy code and a valve body ID code. I did check battery first, replaced starter with attached solenoid, replaced relay, replaced ignition switch, replaced key cylinder as well. 3 Starter Relay Location. The battery, starter and digital transmission range switch (neutral safety switch) have been replaced. 2 - Disconnect the S terminal wire at the starter relay. So now i am left thinking it is the ignition solenoid or the ignition switch. Find CountyLine Starter Solenoid, 8N11450 in the Tractor Ignition & Starter Parts category at Tractor Supply Co. But tonight I tested the wire going to the starter solenoid and measured the voltage while the engine was being cranked, and I got around 10. But i did my 2008 ford starter relay was perfect. If the starter cranks, it's the relay. A motor starter is just another name for a certain type of relay that is used to control a motor. Or in your case since starter already been checked have someone turn ignition to the CRANK position while measuring voltage. Test 1 checking the motor. As well, the starter heat soak creates its own set of unique problems. Double check yourself and have it tested at an auto parts store before buying a new one. help, trying to reach the solenoid starter of protege 2000 lx hi, how can i reach the solenoid without going under the vehichle? i want to unplug the cable where the ignition switch sends the current to the solenoid and to test if it is the ignition switch having the problem or it is the starter. Disconnect the 2 terminals on your starter as shown before, set them to the side and make sure the ground on the starter terminal is removed. Starter Removal and Installation Instructions 1 Make sure that the rest of your electrical system is in good working order. In kit form, #193 Relay Buddy 12/24 tests 5 different relay types. The following changes will help this situation by removing the relay function of the starter solenoid to a cooler part of the engine compartment. Re: Starter relay. you will need a battery and some jumper leads. ford drivetrain, and custom wiring harness. The reading should be the same as the battery reading (12. For example, a low power circuit in a car that commands the high. Also please check out the statistics and reliability analysis of Ford Escape based on all problems reported for the Escape. Cigar lighter / power outlet fuses in the Ford F150 are the fuses №89 (Cigar lighter power point 1), №90 (Power point 2), №91 (Power point 3) and №92 (Power point 4) in the Engine compartment fuse box (2016-2017). 8N starter relay - Ford 9N, 2N, 8N Forum - Yesterday's Tractors Jump to forum order in days for posts. An amperage load test will give the best results. Ford was on crack when they named that one, but the starter circuit passes through the cooling fan relay. Insulate the solder splices with the heat shrink. Double up the two fuse links side by side and solder them between the two pieces of cable. Try this--connect a test light to the wire that connects to the solenoid from the switch. I also attempted to "spin" the starter by using a jumper on the relay-no go. If the starter motor doesn't activate and crank the engine (after applying 12 Volts to the S terminal), then you've got a bad starter motor on your hands. Relay Wiring Diagram. So replaced the starter relay but truck still will not start from the key. Trace the supply wire back to find the relay — this is a small metal or plastic box which. Our 2000 Taurus suddenly quit starting from the key; I jump it on the starter wire just fine. A quick way to check both is simply to test for power where the one large cable connects directly to the starter. About a year ago, I replaced the alternator into higher amperage(120 amp) from the original stock part and wired the new alternator according to the manufacturer's specification. An amperage load test will give the best results. Order Ford F150 Solenoid Switch online today. Think of it like a train yard…. If your riding mower starter does not spin when you turn the ignition key, test the solenoid. It needs a re-write, some photos, and proof reading. Step 5: Check the jumper wire on the internal starter relay. So do you guys agree that it could be the starter relay? He said its a common problem with fords. New, aftermarket Ford 3600 Starter Solenoid for sale with a solid manufacturer warranty. These starters fail it is almost always a problem with worn out solenoid contacts and plunger. Notice the thermostatic connector in the drawing. Simple test, connect a test light between the battery terminal of the solenoid and the starter lug. Search function on this site is too ambiguous. Hooked up the starter and everything was perfect. To find your API Electrical Alternator, Starter or Solenoid, browse through the API Catalog. Often, the starter is misdiagnosed as the culprit for electrical system problems when the problem really lies in some other area of the system. Ford reserves the right to change product specifications, pricing and equipment at any time without incurring obligations. Ford 600 Starter found in: Starter with drive (Bendix), Starter Push Switch with mounting gasket, 12 Volt Distributor Coil (internally resisted), Starter Solenoid Relay Assembly, Ratchet Style Starter Drive (Bendix), Repair Blog. I did check battery first, replaced starter with attached solenoid, replaced relay, replaced ignition switch, replaced key cylinder as well. When I look at the 52 Chrysler schematics, I do not see a ground on this starter relay. How can you test a 12 volt Ford solenoid to see if it is working? I have several old solenoids for my low rider's hydraulic system. Problem: Starter does not turn or turns over slowly when key is turned. If if lights, look at the starter. If you notice any of these warning signs, make sure to contact one of the professional mechanics at YourMechanic. This starter is designed for 12-VOLT systems only!! Use of this starter with higher than 12. The electricity from the starter switch only has to energize the Ford solenoid (that is mounted in a relatively cool location). If not, it's the starter. If the component still does not work, it is faulty; if it works, then the supply is faulty and the fault will be in the relay or the connections to it. If it is not, check the battery fluid level (if it is low, add distilled water to bring the level up to the fill line) and charge the battery now. Starter will not disengage I have a problem with my starter not disengaging, go to the start position and then run and the starter stays engaged. Today we’ll be showing you How To Check Your Ford Mustang CCRM, part number F6SZ-12B577-AA. SOURCE: Starter on ford 8n tractor will not engage. Or in your case since starter already been checked have someone turn ignition to the CRANK position while measuring voltage. No fire and no fuel. This starter offers high torque, through Gear Reduction at a compact lightweight size. SW-3 Heavy Duty Car Truck Starter Solenoid Relay 4 Terminal for Ford 12V Universal Specifications: OE Number: 05-SW3USA, SS588, F496, 66-200, SNLS-135, SS581, SW3, SW-3. Please also check out the statistics and reliability analysis of the 2002 Ford F-150 based on all problems reported for the 2002 F-150. Since 2018 - fuses №6 (Cigar lighter power point 1), №8 (Cigar lighter power point 2) and №51 (Power point 3) in the. 0L Ranger, or 4. You shouldn't, there should only be 12 volts there when you are cranking the starter. Not sure how I would wire that. under heavy current draw - you are jppulling from 100 to 300 As in"sart" mode. Ford Starter Solenoid Troubleshooting, Replacement and Function 1994 Ford F150 - Is it the solenoid, starter, or ignition? Ford Starter Solenoid Troubleshooting, Replacement and Function. How to Test Starter Relays. Search function on this site is too ambiguous. So do you guys agree that it could be the starter relay? He said its a common problem with fords. 6 modular engine equipped 1992-2002 crown victoria, grand marquis, and lincoln town car. Check the soleniod wiring diagram if avaliable. The electricity from the starter switch only has to energize the Ford solenoid (that is mounted in a relatively cool location). Fortunately, all Ford models have a remote relay near the battery, which makes it easy and convenient for troubleshooting. Buy Tisco 8N11450 Starter Relay Solenoid for Ford 8N 8-N Tractor: Automotive - Amazon. When I take the starter off it is very hot to the touch. No fire and no fuel. The Ford Mustang Starter Relay Solenoid is made to the original factory specifications from OEM quality materials for a perfect fit and reliable maintenance-free operation. The starter system is simple, and the checks on it are straightforward. Twelve volts to the relay and one wire to the solinoid. I go ahead and run thru the rest of the circuits. Thanks again for the help. I took mine to a local automotive electrical rebuilder and that solved my problem. Test Relay Switch. The solenoid should click loudly and throw the ring teeth engagement gear out into the nose of the starter. Mark the two smaller wires so they can be reconnected properly and then remove the wires from the starter relay. I ungrounded the solenoid. In addition, we have a generous 30-day return policy if this item needs to be returned for any reason. Most orders ship within 1 business day. Out of the blue, i go to start it and get 1 click. To find your API Electrical Alternator, Starter or Solenoid, browse through the API Catalog. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. 3L Power Stroke Diesel - how do i test starter/solenoid - just went through fiasco of solving battery issue, my starter sounds tired. Buy Tisco 8N11450 Starter Relay Solenoid for Ford 8N 8-N Tractor: Automotive - Amazon. Assortment of ford f250 starter solenoid wiring diagram. It is in good working condition. 3 Ford Diesels. This video shows how to test the starter solenoid and starter in a 2007 Ford F-150 How to test starter relay ford f150. You might have a bad battery or starter cable (one of the two large ones connected to the solenoid) or something may be preventing the starter from turning regardless of input. Replacing starter solenoid instead of the starter was created by grichards Just came from a website offering starter solenoid and contacts, which would be a cheaper fix than replacing the whole starter. 3 L engine , # 47 is the relay for the. you will need a battery and some jumper leads. Friends helped me get it to start, but I have to "jump" start it at the solenoid, as the way it is currently wired the starter switch does not send current to the starter. Once you know how to test a fuel pump relay, you can test other automotive relays without much trouble. If you notice any of these warning signs, make sure to contact one of the professional mechanics at YourMechanic. At the same time, the starter solenoid pushes the starter gear forward to mesh with the ring gear of the engine flexplate or flywheel. There were a lot of electrical changes after the 2001 model year 7. This guide can be used for more than just old Ford Tractors. SW-3 Heavy Duty Car Truck Starter Solenoid Relay 4 Terminal for Ford 12V Universal Specifications: OE Number: 05-SW3USA, SS588, F496, 66-200, SNLS-135, SS581, SW3, SW-3. Out of the blue, i go to start it and get 1 click. Go to TEST 2: Verifying The Start Signal. How do I bypass the solenoid to test the starter in a 1999 ford expedition? Starter Feed Circuit Tests Disable ignition system. The picture in my Chilton shows it is mounted on the fenderwell in front of the PD box, but there is NOTHING mounted in front of the box on my truck. Check the starter relay, if it is damaged or defective, it will affect the starter and need replaced. Re: How to test solenoid with multimeter? Take the solenoid off the engine and put it in a small vice to hold it. Electrical connection diagram Using a remote solenoid. Remove the starter and have the solenoid rebuilt -- if your starter motor tests fine. Step 1: Check the voltage on the battery side of the solenoid as shown on the left. The only tool required to check a relay is a multimeter. Jumper Wires You'll need two of them with alligator clips on both ends (you can make these yourself). first connect the leads to your battery, and then the negative lead to the case of the starter. Looking around for wiring diagrams, most of them show battery and starter connections to the solenoid opposite of what I have on the truck. The headlights are bright and don't dim when you turn the key to START, and everything else electrical seems to work fine. With the probes in place, the starter can be engaged by an assistant. But tonight I tested the wire going to the starter solenoid and measured the voltage while the engine was being cranked, and I got around 10. This circuit starts at the battery and includes the ignition switch, fuses, starter solenoid, starter relay and various safety devices such as clutch position sensors and neutral safety switches. Hi guys i am pretty sure what wires up the battery to your existing wiring mistakes that runs from the cure. If you have 12 volts or more there when you turn the key to. CASE 2: The starter motor DID NOT crank the engine. The starter solenoid works as a powerful electric relay. Often, the starter is misdiagnosed as the culprit for electrical system problems when the problem really lies in some other area of the system. Many new high-torque starter and switches cost more time and need a new high-torque starter relay. In this way, it acts as a switch for the starter solenoid and the starter motor in an automotive. We'll call this MTR1(Motor1). Attach the battery positive terminal to the No. Extremely strange starter issues on Ford F-150 was created by RhysT Hey everyone, I have a 99' Ford F-150 with 4. Double up the two fuse links side by side and solder them between the two pieces of cable. The solenoid, or on some starters, just a threaded part of the armature, pushes the bendix gear forward an inch or so until it meshes with the ring gear, allowing the starter motor to spin the. The most recently reported issues are listed below. Cooling fan relay. Rated 5 out of 5 by Benjamin M from worked fine, just ordered the wrong one. If the relay clicks, and you have 12v on both terminals but the starter doesn't spin, the problem is the starter/solenoid or the battery cables to it. If the light comes on, you'll know there's power going to the solenoid. It reveals the parts of the circuit as streamlined shapes, and the power as well as signal links between the gadgets. Starter relay in a Ford: What is the severity of this DTC? The severity of this code can vary tremendously from just an illuminated check engine light on a vehicle that starts and runs to an automobile that will not start at all. I assume the solenoid can be removed/replaced on the starter without having to replace the whole starter. If not, it's the starter. Make sure that it is not. You want to use either a 12V battery or voltage regulator to test the relay. The simplest way of finding this is to use a multimeter with an ohmmeter setting and then measuring the resistance values by checking its terminals. Starter will not disengage I have a problem with my starter not disengaging, go to the start position and then run and the starter stays engaged. I was reading an article recently that showed a standard starter drawing 300 to 400 amps. In this case, the starter works great! It clicked like it was supposed to, the motor ran quiet, and the Bendix operated perfectly. Should crank the engine. Think of it like a train yard…. Put one of the small terminals of the solenoid to the minus side of a battery. The first type is the simplest and is a single wire that runs from your battery to your starter solenoid. The Bendix is the gear assembly that engages the flywheel. With the relay removed from the fuse box, the multimeter set to measure DC voltage and the switch in the cab activated, first check to see if there are 12 volts at the 85 position in the fuse box where the relay plugs in (or wherever the relay is located). Extremely strange starter issues on Ford F-150 was created by RhysT Hey everyone, I have a 99' Ford F-150 with 4. Connect the B+ lead, then the signal lead, then bolt it in to place. It's also how to start the engine with the key just in the 'run' position instead of the 'start' position in. Both solenoids act in a similar way, with regard to current flow. The starter relay of my '86 mustang keep on getting stuck, making the starter running, even the key has been released or removed from the ign. Recently the starter failed on me, I noticed I had really bad connections on the solenoid so I cleaned and tightened them all up. Try this--connect a test light to the wire that connects to the solenoid from the switch. Re: Onan Starter Solenoid To begin, you can disconnect wire at fuel pump and connect temporary battery power to ensure the fuel pump is good. Step 1 – Test Electrical Item. 0 L Fuse # 11 is a 50 amp maxi-fuse for the starter relay and ignition switch For the 2. 2 volts or less while cranking. So it figures that the Ford solenoid (the same one that is used on 6, 8 sm/lg blocks) will be able to handle at least that many amps going thru it. Out of the blue, i go to start it and get 1 click. Double up the two fuse links side by side and solder them between the two pieces of cable. 2002 2003 7. The starter relay switches a very high current into the starter motor - I don't know motor cars but logic says it will be mounted directly onto the starter motor itself - it will have a big fat cable running to it (and a little control wire from the ignition switch) capable of carrying anything from 80 to 200 Amps. How do I check the starter relay, or otherwise find problem?. Looking for Relay Radiator Fan Motor, we have Relay Radiator Fan Motor at affordable prices, check them out and buy Relay Radiator Fan Motor now. In all respects, a starter solenoid is the key component between the ignition and the starter, without which a key starting system would not be practical on a riding lawn mower. Code P0616 is set by the PCM when it detects a low voltage condition within the starter relay circuit. Connecting a piece of all, commonly used. The solenoid has a dual function, it acts a large high current relay and engages the starter drive gear. The purpose of testing a relay is to find, whether it is good or bad. The hardest part about replacing the starter on the Toyota T100 pickup truck is that you have to crawl under the vehicle. In kit form, #193 Relay Buddy 12/24 tests 5 different relay types. The relay will close, and you should get continuity between the two pins that the meter is connected to. I'm sure this is a VERY stupid question, but anyway. I think a relay gets weak, but doesn't show up as bad on computer code check. the one furthest from the reservoir in the 4 bank is the horn relay, unplug and swap the two. If not the replace solenoid. Re: Starter solenoid I'm new to the golf cart world but I have noticed the solenoid on my gas cart is nothing more than an internal relay activated switch capable of delivering a high amperage load, I'm certain you could make any solenoid work, anything from a marine version to vintage ford, the only issues may be physical size in tight quarters. Move the voltmeter to the leads on the starter solenoid. 0L Aerostar, or 4. A quick way to check both is simply to test for power where the one large cable connects directly to the starter. The basic starter kill relay diagram shown below, breaks continuity of the wire from the ignition switch to the starter motor (or in some cases i. HOWEVER on wrench in the works is the popular "Ford" solenoid used for years and years on Ford cars and trucks. I would check the small wires to the starter and the resistance of the solenoid before buying a new relay. TCM switches PNP relay "ON" at "P" or "N". If your riding mower starter does not spin when you turn the ignition key, test the solenoid. How to Add an Electric Starter Handy tips to help in replacing your starter! Adding an electric starter to any engine that wasn’t built with one brings up a lot of questions that must be asked before an answer can be given. HELP ! - My Tractor Engine Won't Even Crank ! This is a new page, basically just a brain dump. Using a voltmeter to check fuses will be far more certain, quicker and will avoid these problems. Starter will not disengage I have a problem with my starter not disengaging, go to the start position and then run and the starter stays engaged. I want to use a push-button starter on the ground side of the circuit. Every now and then, the need arises to bench test a Relay to find out if it's really BAD or not. ; Ford, to another relay), when the alarm is armed and the ignition is turned on. Is there a way to check the solenoid with a multimeter? Here is an image of what the solenoid looks like. 1999 - 2003 7. With an on-starter solenoid, you'll probably need to remove one or more components or lift your vehicle to gain access to the solenoid for the next tests. 00 or replace the solenoid for $40. Im stumped. Fuse box diagram (location and assignment of electrical fuses and relays) for Ford Ranger (1998, 1999, 2000, 2001, 2002, 2003). We offer complete ecm repair and rebuild services for all makes and models including Jaguar, BMW, Lexus and Mercedes Benz. Everything has to be in really good shape for the original system to function properly. in the 4 bank the one closest to the reservoir is the starter relay. The starter relay remains on even after you have turned the ignition key off. My starter relay is located on the drivers side fender well and has 1 large post for the battery and according to the book the ammeter and battery terminal on the horn relay, it has 3 smaller posts one is marked for ignition, one is marked for armature going to the armature post on the voltage regulator, and one is marked for solenoid. The "battery" cable to the GM solenoid goes hot. Signs of a bad starter solenoid. It reveals the parts of the circuit as streamlined shapes, and the power as well as signal links between the gadgets. solenoid stuck, or a mechanical problem. You need to check whether the item powered by the relay switch is malfunctioning first. The next step is to go to TEST 2 and see if the starter motor starter motor is getting the Start Signal on the S terminal wire (circuit). When the magnetic field on the solenoid is turned on by the starter relay the plunger on the solenoid engages a large contact (same as a relay) capable of carrying the amperage required to run the starter motor. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. There were a lot of electrical changes after the 2001 model year 7. Including switches, cutouts, voltage regulators, ammeters, battery hold down, battery cables, spark plug wires, spark plugs, resistor block and wiring harness. It won't start but I know my battery is brand new I just changed the starter relay all I can think of is either it is the starter or silinoid. Consult your owner's manual or vehicle repair manual and remove the main relay. Move the voltmeter to the leads on the starter solenoid. Bench test the starter again to ensure proper operation. These starters fail it is almost always a problem with worn out solenoid contacts and plunger. S is for the starter, I is for ignition (power source to the key for ignition if memory serves) Just something ford did way back when. Ford Mustang Model Specific Forums. This will not work on an older (pre-1965) ford 2000 or 2n/8n/9n.