Engine wiring harness

[dodgerammit]

What shape are your ground connections from the battery in? Make sure their mounting points are clean and numerous. Should have one to engine, one to core support, also tied to frame.

[Texxxan]

What shape are your ground connections from the battery in? Make sure their mounting points are clean and numerous. Should have one to engine, one to core support, also tied to frame.

I’m going to clean up my grounds. I’m using star washers but I will clean up the connections and add more if needed. I may need to move one of my grounds. It’s going from the battery to the AC bracket.


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[Texxxan]

do you have a ground wire at the underside of the solenoid? it should be facing down.

you can crank directly, battery plus to S pole on the solenoid -ignition on, the engine should start- I use this for years when the ignition switch was finicky

Here is the 85, it is mounted stock which is reverse than yours, view from battery, and the light blue is the cranking signal, the red and white power the coil directly, there is some embossing on the solenoid with I and S

SolStarter85BroFSJx.jpg

I hate to ask, but how are you grounding your solenoid? Where is the ground connecting to from the bottom of the solenoid? Is it from the bottom of the solenoid to the ground on the battery?


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[tgreese]

There is a solenoid that grounds to the inner fender through the bracket (SS581 type), and there is a solenoid that looks the same but has a terminal on the bottom that goes to a neutral safety switch. Pretty sure Jeep did not use the type with the extra terminal - maybe.

SS581-type: https://www.rockauto.com/en/moreinfo.ph ... 78&jsn=271

[Texxxan]

There is a solenoid that grounds to the inner fender through the bracket (SS581 type), and there is a solenoid that looks the same but has a terminal on the bottom that goes to a neutral safety switch. Pretty sure Jeep did not use the type with the extra terminal - maybe.

SS581-type: https://www.rockauto.com/en/moreinfo.ph ... 78&jsn=271

I have the SS582. Oreilly sold me that because it’s automatic. Is it the wrong one?


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[Texxxan]

Thank you all so much for your patience. I grounded the brass connector to the base of the solenoid and was able to start it. I’m not upset about having a new starter, new solenoid, new battery cables, new battery, new ignition switch. Lol. At least I have some peace of mind when it comes to the starting system. I’ve recently replaced the oil pan gasket, rear main seal, transmission seals and filter, new oil pump. I have the TFI ignition upgrade that I will install this weekend now that she runs. Oh, and the new radiator, hoses, water pump, and thermostat will go on soon as well.

[letank]

I don’t have a grounding wire on the solenoid. I will add one tomorrow and see how that works out. Thank you.

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Ideally the base of the solenoid is the ground, but after some year model (guessing 79 or 80) and extra ground stud was added to the solenoid, it is on the opposite side of the S and I wires. My 74 does not have a solenoid ground wire and it cranks fine.

try to loosen the solenoid and use a file to make some clean contact between the fender and the solenoid base

[Texxxan]

I don’t have a grounding wire on the solenoid. I will add one tomorrow and see how that works out. Thank you.

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Ideally the base of the solenoid is the ground, but after some year model (guessing 79 or 80) and extra ground stud was added to the solenoid, it is on the opposite side of the S and I wires. My 74 does not have a solenoid ground wire and it cranks fine.

try to loosen the solenoid and use a file to make some clean contact between the fender and the solenoid base

I cleaned all the base area and added 2 grounds. The base to the fender ground that has a ground there to the battery and also a ground from the other side of the base to the copper fitting behind the solenoid. She starts fast now. No issues starting up and running. I’m going to clean up a few wires I noticed needing some repair and then a good tune up and cooling system overhaul. After that, the cosmetics will be next. I’m not going for perfect, just better.


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[tgreese]

I have the SS582. Oreilly sold me that because it’s automatic. Is it the wrong one?

Yes, you have the wrong part. You want the SS581. Your parts store made an assumption rather than looking at the listings, and gave you the wrong part. You can ground the terminal on the bottom and it will work, as you found out.

According to the aftermarket listings, some Jeeps '80-83 used the SS582. Not your year.

Glad you're on the air again!

[Texxxan]

I have the SS582. Oreilly sold me that because it’s automatic. Is it the wrong one?

Yes, you have the wrong part. You want the SS581. Your parts store made an assumption rather than looking at the listings, and gave you the wrong part. You can ground the terminal on the bottom and it will work, as you found out.

According to the aftermarket listings, some Jeeps '80-83 used the SS582. Not your year.

Glad you're on the air again!

Thank you. On to the next hidden problem. Lol.


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[dodgerammit]

Hopefully, you haven't thrown out those other parts. Just shelve them for an emergency.

[Texxxan]

Hopefully, you haven't thrown out those other parts. Just shelve them for an emergency.

I definitely kept them. Even the starter. It had a $15 core charge but it’s worth more to me to keep it. Thank you for your help.