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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   1989 toyota pickup 3.0 crank no start I have a 1989 toyota pickup 3.0 crank no...   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel...

Is there a difference Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting Guest Anonymous Poster Oct 9, 2006, 5:53 PM Post #1 of 5 (1472 views) Is there a difference Sign In Is there a difference between a starter soleniod and a ignition relay switch on a 92 ford aerostar? Tom Greenleaf Ultimate Carjunky / Moderator Oct 9, 2006, 7:10 PM Post #2 of 5 (1469 views) Re: Is there a difference Sign In The starter solonoid should be the first thing the pos battery cable goes to and have one smaller wire that is from your ignition request. If that little wire is not empowered by the ignition there could be a fault with some sort of relay that has never happened to me in decades! If the car has some theft control put on aftermarket that would be the likely problem as many can butcher the wiring, T Guest Anonymous Poster Oct 9, 2006, 7:22 PM Post #3 of 5 (1468 views) Re: Is there a difference Sign In the two different red wires goes on two different post on the soleniod, right? Tom Greenleaf Ultimate Carjunky / Moderator Oct 9, 2006, 8:24 PM Post #4 of 5 (1467 views) Re: Is there a difference Sign In Yes. Don't get too caught up in color for battery cables as some are replaced with just black but the clue is they are heavy gauge. The concept of the solonoid is to remotely make a major electrical connection between the battery and the starter. The smaller gauge wire is from the ign and makes a solonoid magnetically trip to make the connection there instead of at the key itself. You can trip the solonoid with (fused) jumper wire to the little wire's place and it should make starter run. Older solonoids had marks R and S which meant resistor and starter which is not needed anymore. If you hooked up the smaller wire to an R spot it won't start. There may still be some replacement solonoids out there with two spots but should be marked. The R & S thing was for cars with points which about ended in 1975 with few exceptions. An older new solonoid will still work if that happened. You should be able to follow the current with a test light starting from battery to solonoid and power to the out cable when ign is set for start and on to the starter. If it doesn't do that you need to find where it stops, Keep us posted, T DanD Veteran / Moderator Oct 10, 2006, 3:59 AM Post #5 of 5 (1463 views) Re: Is there a difference Sign In Tom’s right on with the disruption of what they do just the terminology is a little off. I know I used to call the relay on the inner fender a solenoid as well, along with a lot of others and that’s probably why you’ve become confused. A starter or for that matter any relay makes or breaks an electrical connection only. They are used so that a smaller/lower amperage switch can be used to turn on a higher amperage circuit. A solenoid also makes and breaks an electrical connection along with mechanically moving something; in this case moving the starter drive gear in mesh with the ring gear of the engine’s flywheel. Dan. Canadian "EH"   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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