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post #1 of 8 Old 12-06-2009, 02:07 PM Thread Starter
pistol
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1990 YJ Wrangler 
 
Join Date: Feb 2009
Location: san diego
Posts: 145
need wiring diagram

i have tryed the search with no luck if anyone has a basic motor and starter harnesses it would help alot thanks

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post #2 of 8 Old 12-06-2009, 05:37 PM
JeepHammer
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1973 CJ5 
 
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Location: South West Indiana
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You won't find a lot of YJ stuff over here in the CJ section...
Sorry.

This *MIGHT* Help, don't know how similar your YJ will be to a CJ...

Jeep DuraSpark ignition, *IF* you still have one in '90...
The 'Violet' wire in this diagram will go through a timing computer before it gets to your ignition module.



-----------------------------------------

This is the basic Start/Charge system in a CJ, don't know if it will help in your YJ,



---------------------------------------

This is the alternator wiring in the later versions of the CJ with the Delco 10-SI alternator.



---------------------------------

Is this the kind of stuff you are looking for?

You should try to tell what engine you have, wiring harnesses change from engine to engine with year model (Different alternators, ignitions, ect.)
If you have fuel injected engine, then all bets on the stuff I posted are out the window...

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post #3 of 8 Old 12-06-2009, 05:54 PM Thread Starter
pistol
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1990 YJ Wrangler 
 
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Location: san diego
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thanks that will help out alot i have done a hole jeep before but just want to make sure thanks
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post #4 of 8 Old 12-06-2009, 06:00 PM Thread Starter
pistol
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1990 YJ Wrangler 
 
Join Date: Feb 2009
Location: san diego
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the jeep is a cj3a i had a thread on this forum (doin work on a cj3a ) it has no wiring and the motor is a 225 v-6 and i just want to keep it as simple as i can i don't know if that will help you help me jeephammer thanks
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post #5 of 8 Old 12-07-2009, 09:53 AM
JeepHammer
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CJ-3A will probably have a DC GENERATOR instead of an ALTERNATOR.
That means a mechanical voltage regulator that will need to be 'Polarized'.

I know some of the older Jeeps had floor mounted pedals/switches for starter, and if that is the case, the starter will have to be wired a little differently.

225 should have the common starter wiring, but the solenoid might be on the starter instead of the fender well.
Same wiring applies, but you will NOT have to add the wire between solenoid and starter since there will be a connection already made.

Get me some pictures of the components, generator, starter, ect. and we can go from there.

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post #6 of 8 Old 12-08-2009, 08:20 PM Thread Starter
pistol
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1990 YJ Wrangler 
 
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Location: san diego
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is what im looking for is more like how to wire it key to the solenoid to the starter very basic thanks for your help
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post #7 of 8 Old 12-09-2009, 08:21 AM
Mike Romain
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The Haynes CJ manual works well for your YJ's 258 and Jeephammers post should apply to your engine bay.

The only real difference is a firewall starter relay instead of a fender relay.solenoid, most of the rest is the same. i have used the CJ book to rewire a couple YJ engine bays.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
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post #8 of 8 Old 12-09-2009, 08:01 PM Thread Starter
pistol
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1990 YJ Wrangler 
 
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Location: san diego
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thanks i got it all done today . im sorry i should ha made it more clear i was working on a cj3a that i put a 225 v6 in
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