BPB Posted September 16, 2008 Posted September 16, 2008 Can I replace the main wiring harness out of a mj with one from a simular xj? AE same year, motor, tranny, t-case, power options.
chicofuentes0224 Posted September 16, 2008 Posted September 16, 2008 The part in the engine bay yes. Inside the cab, you'll have to splice some wires.
BPB Posted September 16, 2008 Author Posted September 16, 2008 I need the main loom that goes under the dash, some one cut it when they tried to steal it. Is there a plug between the engine part and that.
chicofuentes0224 Posted September 16, 2008 Posted September 16, 2008 I need the main loom that goes under the dash, some one cut it when they tried to steal it. Is there a plug between the engine part and that. The harness seperates where the fuse box is. You can just replace the whole in cab section, but it's a lot easier to get it from another MJ if you can find one.
chicofuentes0224 Posted September 16, 2008 Posted September 16, 2008 What year is your truck? I think he put 1990 in the classifieds
Pete M Posted September 16, 2008 Posted September 16, 2008 Then you won't have the big C-101 connector in the engine bay. For all it's troubles, it does make it easier to separate the harnesses.
chicofuentes0224 Posted September 16, 2008 Posted September 16, 2008 Then you won't have the big C-101 connector in the engine bay. For all it's troubles, it does make it easier to separate the harnesses. Are you sure because I saw what they said was a 90 XJ with the connector in the JY. Course they could be lying. And by the C-101 connector you mean the two pieces that are on either side of the firewall, right?
Pete M Posted September 17, 2008 Posted September 17, 2008 The C-101 is a big funky connector located right above the brake booster.
chicofuentes0224 Posted September 17, 2008 Posted September 17, 2008 Well then I don't think it will matter Pete because he only needs the harness that's inside the cab. That seperates right at the firewall. You can use the one out of an XJ. Her's the problem. Everything will match up except the connector that goes back to the taillights, fuel pump, and dome lights. It becomes a real pain, (it was for me anyway) to splice the correct wires together. That's why I said get one out of an MJ. But it you don't mind messing with electrical or your middle name is Hornbrod use an XJ one and splice away :D
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