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Unread 03-05-2009, 11:02 PM   #1
DocArt
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1988 YJ Wrangler 
 
Join Date: Dec 2008
Location: Emigrant,, Montana
Posts: 11
Starter Relay Wiring - Ground Wire Question

My 1988 4.2L wrangler received a new starter relay. The new relay had a wire terminal labeled "ground" (lower right terminal).

When I removed the old starter relay, this terminal ("ground") wire went to a multi-wire connector under the Jeep, near the tranmission and toward the back. I was wondering if this is a ground wire, or should I just make a new ground wire for this terminal. Could use some advice on this... Is this the usual connection for the ground terminal on the starter relay ?

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Unread 03-06-2009, 04:46 AM   #2
ctm
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1990 YJ Wrangler 
 
Join Date: May 2007
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that ground on the relay goes to the multi-pin connector that deals with backup lamps and/or neutral safety switch depending on what transmission.

For 4.2L auto it goes to the neutral safety switch so that you can only start in P or N.

with a 4.2L and manual tranny that wire is just ends up connected to other ground wires.


So if you have manual it's just a ground wire. Feel free to connect it to a better ground location.
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Unread 03-06-2009, 05:16 PM   #3
DocArt
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1988 YJ Wrangler 
 
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Location: Emigrant,, Montana
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Quote:
Originally Posted by ctm View Post
that ground on the relay goes to the multi-pin connector that deals with backup lamps and/or neutral safety switch depending on what transmission.
with a 4.2L and manual tranny that wire is just ends up connected to other ground wires.

So if you have manual it's just a ground wire. Feel free to connect it to a better ground location.
THANK YOU CTM, Appreciate your input.
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Unread 03-06-2009, 06:39 PM   #4
jay-h
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1989 YJ Wrangler 
 
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Location: , NJ
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You can never have too many ground points.
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Unread 03-06-2009, 06:41 PM   #5
jay-h
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1989 YJ Wrangler 
 
Join Date: Dec 2006
Location: , NJ
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On my old chevy, I found out that under some loads the body was floating about 1V above the engine ground. Fixed that and headlights and accessories worked much better.
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