How do i jump the starter solenoid?? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 08-13-2001, 05:24 PM Thread Starter
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How do i jump the starter solenoid??

Here is a pick of a solenoid. I had to jump mine to get my jeep started when i bought it but i forgot which points you "cross".

BTW do i need to have the key in the on position to get it to run? And will this work on a 4.0L?

My jeep has lost 75 pounds on the new diet,... the rust elimination diet[img]/wwwthreads_images/icons/smile.gif[/img]
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post #2 of (permalink) Old 08-13-2001, 05:43 PM
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Re: How do i jump the starter solenoid??

That looks a lot like a Ford solenoid (also an Onan generator solenoid). I jumpered between the two posts on the left (larger post to smaller post). I believe you will need the key in the 'on' position to keep the engine running.. [img]/wwwthreads_images/icons/wink.gif[/img]. Hope this works for you... Bret

post #3 of (permalink) Old 08-13-2001, 11:39 PM Thread Starter
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Re: How do i jump the starter solenoid??

actually it is a pic from JC Whitney, 55-83 universal GM solenoid. But it looks a lot like the one on my jeep.

I remeber i took a jumper cable to one of the "big" screws and crossed one of the smaller screws. Any help is apreciated. Thanks- Tim

My jeep has lost 75 pounds on the new diet,... the rust elimination diet[img]/wwwthreads_images/icons/smile.gif[/img]
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post #4 of (permalink) Old 08-14-2001, 12:47 PM
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Re: How do i jump the starter solenoid??

The big post on the LEFT in the picture (which is the RIGHT if it is mounted on the fender) to the small post also on the LEFT in the picture. That is assuming your + cable from the battery comes to that large post (i've seen them wired up backwards)


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post #5 of (permalink) Old 08-14-2001, 01:37 PM
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Re: How do i jump the starter solenoid??

I have jumped my 4.0 solenoid and it looks somewhat different than your picture. I jump from the small terminal on the extreme bottom of the solenoid to the pole that is connected to the positive post of the battery. The ignition does have to be on.

I have a problem with the adjustment in my AW4 shift linkage causing me to do this occasionally so I have the connections well memorized.

Later, Ken

83 CJ8, 4.0 HO/AW4, 2.5 Superlift, 1" Daystar body, 33x12.50 GY MTs, 4.10, Lockers f&r, ob air, Custom bumpers, rockers, and skid plate, etc.
post #6 of (permalink) Old 08-14-2001, 02:59 PM
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Re: How do i jump the starter solenoid??

Truthfully, it's pretty easy.

Take a small jumper wire from the battery cable side of the Large lug and touch it to either of the top posts... One will work, the other will not (If I remember right)... and if you do it wrong it dosen't hurt anything.

All you're doing is providing 12 volts to the relay that engages the 12 volts from the battery to the starter motor. Remember, the case is grounded (or should be) and provides a return path for the current through the solenoid engage realy.

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post #7 of (permalink) Old 08-14-2001, 07:38 PM Thread Starter
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Re: How do i jump the starter solenoid??

thanks i knew it wasnt so hard.- Tim

My jeep has lost 75 pounds on the new diet,... the rust elimination diet[img]/wwwthreads_images/icons/smile.gif[/img]
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post #8 of (permalink) Old 08-15-2001, 09:24 PM
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Re: How do i jump the starter solenoid??

If you connect the 2 large terminals together it will turn over but not fire. If you connect the small terminal labeled "s" to the large terminal going to the battery it will also turn but not fire unless you have the key in the "run" position or either have a jumper wire from the positive + battery terminal to the positive + side of the ignition coil, then it would crank without the key.

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