Jeep Wrangler YJ Wiring Diagram

1992 Jeep YJ
1992 Jeep YJ, Image via Wikipedia

Well, here are a few more wiring diagrams for Jeep Wrangler – this time for the Jeep YJ series years 1987 to 1994. The PDF includes ‘body’ electrical diagrams and Jeep YJ electrical diagrams for specific areas like: air conditioning units, typical jeep charging unit wiring diagrams, typical emission maintenance reminder wiring diagrams, front end lighting wiring diagrams and switches, heaters and ignition wiring diagrams.

Jeep YJ wiring diagrams

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7 Responses to “Jeep Wrangler YJ Wiring Diagram”

  1. Is it just me or is there no PDF linked?

  2. Hi Austin, good catch! thanks for that, I somehow missed the link! If you click the image now, it will initiate the pdf download! Cheers!

  3. gordon jessup on March 1st, 2009 at 10:30 pm

    My son has a 94 wrangles and we are putting in a new stereo, the one in there now is a an after market one and the wiring has already been “altered” I need to get a diagram of the wiring for the radio and speaker hook up color coded to know which ones go the which. It is working kinda the way they had it already but the radio will quit powering the speakers but if you unplug the speakers and plug back in they start again, so I think we just need to start from ground zereo and rewire them but we need to know which ones go where.Any help would be greatly appreciated

  4. Hi Gordon, I will dig around and see what I can see. My guess is that there are only a few wires that make sense. If you can’t find the actual wiring diagram you need, and you do have a simple voltage meter you should be able to figure it out.

    Start with the Speakers and where they are located: If you go to the speakers and find out the colour of their wires, that will help when you go to wire up the stereo itself.

    That really only leaves a few wires under the dash to worry about. Usually there is :
    1) power – solid red is a good guess, remember it will only work if the ignition is on (well, that is if your power source is pulled from the ignition or not. It is possible to pull power that is ‘always on’ if you can find a wire under the dash, again, your voltmeter will come in handy here)
    2) ground – again, solid white is a good guess
    3) speaker wires – probably 4 sets of right/left/front/back, but if you identified the wires already, you will know which ones are which.
    4) sometimes there is a need on the stereo for a power antenae, use the same source as your power – should work.

    I am hoping someone who knows stereo wiring better than me comments back for you! I will also see what I can find.

  5. I’ve put an 87 YJ 4.2 L into an 88 YJ, problem is the wiring doesn’t match up. Does anyone know how to do the wiring? I have the wiring harness from the 87, the 87 comes with a starter without a solenoid on it. I have a universal solenoid for it. Will this work?

  6. I have a 1999 Jeep Wrangler. The windshield wipers stopped working. Checked the fuse and it was blown. Replaced the fuse and it blew as well. Any information on trouble shooting the problem?

  7. i have a 1995 jeep wrangler yj and my rear window defog does not work i checked the fuse box under dash and in the hood dont find the fuse under what is it on ?

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