|Topic Review (Newest First)|
|12-28-2017 12:13 AM|
|12-27-2017 08:12 PM|
|12-27-2017 08:00 PM|
Originally Posted by 87MJTim View Post
|12-27-2017 04:50 PM|
Originally Posted by tchimmerroks View Post
I laid out the CJ harness and the modified XJ harness on the garage floor and marked/identified the five wires to connect on the CJ. I have fired up the engine .
His fee was about $250 if I recall. I paid the USPS to mail it to him. He paid to mail it back.
|12-26-2017 08:03 PM|
|tchimmerroks||The member on this Forum who would thin out a Cherokee harness to mate to your 4.2L wiring for the 4.0L conversion is thisguyyouknowI didn't use his service, but his price/expertise sounded pretty reasonable. Good luck|
|12-26-2017 02:29 PM|
Probably this one:
|12-26-2017 12:44 PM|
Originally Posted by justals View Post
|12-26-2017 12:42 PM|
Originally Posted by CrankyD View Post
|12-07-2017 10:12 AM|
|CrankyD||Do a search for 4.0 five wires to fire. That will get you started on how the two systems merge. The Painless (10150?) harness I have actually had very little in the way of engine management wiring. It did not include any of the ignition system wiring. All of the wiring from the bulkhead connector to the ignition module and over to the distributor is re-used from your old setup. I will be swapping in an MPFI based injection system soon and plan on using a harness scavenged from the junkyard. The painless harness will run the starting circuit and all the gauges though.|
|12-02-2017 09:47 PM|
|justals||I have the 258 block with 4.0 head on my 85 cj. Purchased the engine harness from hesco.|
|12-02-2017 09:07 PM|
As for the rest, you will need to get a wiring diagram for the 86 and identify the circuits you must keep. The starter, oil pressure, and temperature are a few of the big ones. You won't need hardly any of the actual engine harness.
If you don't have the money for a stand alone harness, you will have to take the diagrams already attached to this thread and trace each wire, removing the ones not needed. Tedious PITA for sure.
|11-28-2017 11:35 AM|
|11-08-2017 11:05 AM|
Originally Posted by firegod33 View Post
|10-10-2017 12:47 PM|
|10-09-2017 06:45 PM|
Originally Posted by schardein View Post
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