harleysMJ Posted December 12, 2022 Posted December 12, 2022 Just bought a 1986 Comanche with the 2.5l 4 cylinder that had a mouse/squirrel/ rat living in the engine bay for a big. I’ve got the owners manual but I have not be able to find a wiring diagram for the engine bay. Every manual I’ve found has the chassis wiring but no engine compartment. Any other pointers on the rebuild would be appreciated!
harleysMJ Posted December 12, 2022 Author Posted December 12, 2022 Seems to be the left side of the engine bay. Haven’t pin pointed exactly everything so far. There’s a harness in the passenger side of the engine back that’s got some nibbles gone.
Ωhm Posted December 12, 2022 Posted December 12, 2022 Best we can do is 1987. Should be real close. MJ_1987_Electrical_Manual_1.pdf
eaglescout526 Posted December 12, 2022 Posted December 12, 2022 I mean I have 86 XJ wiring books I can reference as well but the 2.5L didn’t change much over the years in terms of the engine management until 91 when it went to MPFI. Now the tidbit that does separate the 86 from the rest of the years is a relay and a switch that tells the engine it’s in wide open throttle.
harleysMJ Posted December 12, 2022 Author Posted December 12, 2022 Thanks for the wiring guide and tips!
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