2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Mystery Ground

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Old Feb 29, 2008 | 09:57 AM
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Mystery Ground

Could anyone help identify where this ground goes? It's on the main ground harness with the negative starter connections and ground to Driver side strut.
I've ran w/ it disconnected and everything's fine but I connected it on the starter and gave me hesitation and bucking problems... HELP!
Attached Thumbnails Mystery Ground-dsc00043.jpg   Mystery Ground-dsc00045.jpg  
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Old Feb 29, 2008 | 11:42 AM
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Anyone? After detaching it again I got an error code for my fuel pump resistor relay....
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Old Feb 29, 2008 | 11:47 AM
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There is another ground, besides the strut tower ground, that attaches to one of the bell housing bolts. So if the wire will reach the rear of the engine, it most likely is the one that attaches there.
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Old Feb 29, 2008 | 11:53 AM
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that looks vaguely like the starter bolt ground...
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Old Feb 29, 2008 | 12:06 PM
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thats a main battery connection. there are two, power and ground. they both run to near the starter. one from the battery positive to the back of the starter on the solenoid. the other to the engine side of the upper most starter mounting bolt (nut side). dont mix the two up. look near your battery to verify which wire (pos or neg) is marked with the stripe, or better yet test for continunity between the battery terminals (with the battery disconnected) and those terminals.
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Old Feb 29, 2008 | 12:11 PM
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It has a black w/ yellow stripe so I assume ground. Yes, I think it does reach the rear of the engine block... should I attach it there?

It's not for the starter.
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Old Feb 29, 2008 | 03:55 PM
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Originally Posted by cloudx189
It has a black w/ yellow stripe so I assume ground.
NEVER ASSUME THAT.
There's a LOT of black wires that turn out to be powered.

The starter does NOT have a "ground wire".
All wires going to the starter are POWERED.
If you try and ground any of those wires, you're going to end up blowing fuses and / or causing an electrical fire.
The starter grounds through it's casing into the engine block.

If you don't know what a wire does, that's what the FSM is for.


-Ted
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Old Feb 29, 2008 | 09:08 PM
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pretty sure that wire is held by one of the bell housing bolts.
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Old Feb 29, 2008 | 10:30 PM
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yup goes on a bell housing bolt i just took that same gound off a couple hours ago while pulling a engine.
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Old Feb 29, 2008 | 10:36 PM
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Thanx Ted for correcting me... but I did look at the FSM and I just can't find it. I looked under Engine and body electrical...
And wouldnt' the bell housing bolts be that same as the engine block?
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Old Mar 1, 2008 | 12:37 AM
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it goes on the bolt that connects the transmission to the engine.
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Old Mar 1, 2008 | 08:11 AM
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I'll connect it there... I'll give back results.
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Old Mar 2, 2008 | 06:26 PM
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Gave me better voltage and YES does connect to the tranny bolt on the driver side under the oil filter.
Thanx everyone for your input.
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