YJ firewall wiring diagram - JeepForum.com

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post #1 of 27 Old 05-14-2013, 08:20 AM Thread Starter
SadDayPanda
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1994 YJ Wrangler 
 
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YJ firewall wiring diagram

I got rid of my harness and ECU for my 95 wrangler. However i did not save what wire went were on my fire wall. I have a black wrapped group of wires that comes out of the center of the fire wall, also I have the inner group of wires that are next to the headlight/turnsignallight wiring harness plug in (drivers side between brake booster and fender). If anyone has a diagram or knows of a thread, i looked for a bit now and just can't find one.

Thanks.


87, 93, 95 YJ
92, 98 XJ
87 J10
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post #2 of 27 Old 05-14-2013, 08:21 AM
Rproject
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1987 YJ Wrangler 
 
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Does this help? http://www.jeepforum.com/forum/f12/plug-does-1522824/

1996 White ZJ
1987 Maroon YJ (sideways build)
1996 Forest Green XJ

The "sideways" build thread: http://www.jeepforum.com/forum/f22/r...hread-2164793/
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post #3 of 27 Old 05-14-2013, 08:50 AM Thread Starter
SadDayPanda
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It does tell me what the module at the fender is, but not the center cord of wires. I do need an individual wire diagram

Maybe these will help.




87, 93, 95 YJ
92, 98 XJ
87 J10
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post #4 of 27 Old 05-14-2013, 09:42 AM
Que89YJ
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1989 YJ Wrangler 
 
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post #5 of 27 Old 05-14-2013, 11:09 AM Thread Starter
SadDayPanda
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Thanks man, would have helped if i knew the term bulk head. lol

87, 93, 95 YJ
92, 98 XJ
87 J10
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post #6 of 27 Old 05-14-2013, 12:35 PM
Que89YJ
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LOL I know, no judgement by me. The forum is about help. I cant see or post pics from work computers but I can link the search.
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post #7 of 27 Old 05-16-2013, 12:47 AM Thread Starter
SadDayPanda
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Still unsure what the bundle comming out the center are, maybe oil pressure and such. I will as a battery to it and tap a couple wires, see if anything moves

87, 93, 95 YJ
92, 98 XJ
87 J10
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post #8 of 27 Old 05-16-2013, 07:31 AM
tslroper
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1990 YJ Wrangler 
 
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Try to do some digging online for the FSM for your Jeep. I have the FSM for my 1990 and it has exactly what your looking for and so much more. Wish I could help more than that, but the bulkhead connector is completely different between the 1990 and 1995.

1990 YJ Islander, 4.2L MC2100 DUI HEI, 2.5" RE lift, 31x10.50 DuraTracs, HandenFab rear bumper / swing-out, Tough Terrain
off-road camp trailer.
Build thread: http://www.jeepforum.com/forum/f22/tys-yj-build-1502554/
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post #9 of 27 Old 05-16-2013, 09:41 AM
Gage56
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all i ever find is stuff for the 88-90 but never for the 92-95

1992 YJ
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post #10 of 27 Old 05-16-2013, 09:57 AM
snail81
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The bundle in the center goes to the PCM
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post #11 of 27 Old 05-16-2013, 10:32 AM Thread Starter
SadDayPanda
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Ty, will I need to wire any of that?

87, 93, 95 YJ
92, 98 XJ
87 J10
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post #12 of 27 Old 05-16-2013, 10:43 AM
Que89YJ
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Yes, there is an ignition feed and an oil sender feed. I dont have a manual but it is on the 94-95 wiring. I know the connector you are talking about.
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post #13 of 27 Old 05-16-2013, 10:49 AM
snail81
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I may be wrong but I think you can cut the entire wire from the center of the firewall out. The sensors and ignition wire comes from the bulkhead fitting below the master cylinder. At least that's how my 88 was
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post #14 of 27 Old 05-16-2013, 10:50 AM
Que89YJ
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Temp sensor sorry. Is it a black 10 pin connector?
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post #15 of 27 Old 05-16-2013, 10:55 AM
Que89YJ
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