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Old 11-14-2013, 10:54 PM
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Starter Solenoid

Hey all... I have recently had a motor swap in my 88 yj and it looks like the flywheel is a bit different in the motor and tranny that was put in, I could swear the guy said the motor was from an 89, but I cannot be sure, and he may have been mistaken, well I need to replace the starter because the one they put in grinds a lot everytime I start it. I pulled the starter that was put in with the motor but it looked like they put a die grinder to it so the gear would get to the flywheel, but it grinds every time I start the jeep. I read here that the 87 and CJs would require a different starter, and it looks like the gear in the starter is farther up and there is more room, almost looks like the guys who put the old starter in tried to mimic this starter by grinding it down but the gear doesn't engage completely I guess, so I bought one of the starters for the CJs and 87 yjs. I see it has a solenoid that mounts to the firewall, and I was curious how to wire it up. I know with my 88 it has the solenoid on the starter, and there are some wires or cables going to another bracket on the firewall.. Do I replace this entire component with the starter solenoid and connect the battery cable and other wires to it? From what the pictures I have seen, I may have gotten the wrong solenoid from the auto parts store. I am just confused as to how to mount the solenoid and wire it.. any advice? Thanks in advance!
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Old 11-20-2013, 09:15 AM   #2
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The solenoid, no matter where it is, will have 3 connections to it. First will be ground, second will be a heavy gauge wire to the battery from solenoid, then a heavy gauge wire from the starter to the solenoid (skip this if starter is attached), and last will be your solenoid trigger line that connects to the solenoid and engages it when power is applied. I'm sure you can find a diagram online with a quick Google search, I can't explain myself too well early in the morning.

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Old 11-20-2013, 02:51 PM   #3
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some solenoids don't have a ground post but ground through the mount
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Old 11-21-2013, 07:05 PM
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Thanks a bunch guys! I did figure it out and have not run into any issues thus far. It is definitely the right starter, as I do not really head any grinding anymore. It sounds like there is a slight "winding" noise when it tries to turn over but I have had multiple opinions and everyone agrees its just an old jeep turning over so I am not thinking much into it. The old starter was grinding a lot and seemed to get worse and worse for the short time it was on, so I am glad I swapped them out.
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