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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   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...

Search Auto Parts Search Is there a difference Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting Guest Anonymous Poster Oct 9, 2006, 5:53 PM Post #1 of 5 (1351 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 (1348 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 (1347 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 (1346 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 (1342 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"   Email This Post   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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