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Unread 01-12-2007, 05:38 PM   #16
ID89YJ
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Join Date: Nov 2006
Location: Idaho
Posts: 97
No, you can use the cherokee harness, you will splice your engine harness into the cherokee harness.

The only reason i used a wrangler harness is because i found one at the wrecking yard that i got my engine from.


http://www.madois.com/html/tech/40swap.html

That link will tell you what to do.

Steve

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1989 Wrangler... [I]93 4.0L [/I], AX15 ,231 TC,Rough Country 4inch lift, 33 12.50 Baja Claws .
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Unread 01-12-2007, 09:04 PM   #17
crb577
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1993 YJ Wrangler 
 
Join Date: May 2005
Location: Colchester, VT
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mine is a little different scenario but I did use a YJ harness when I did a 2.5L to 4.0L swap. but mine was all plug and play. No splicing required. I have a '95YJ that had the 2.5L in it and I used a '94 motor took about 2 weeks to get running again runs and works great.
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1993 Jeep Wrangler
4.0L Tom Woods rear HD shaft
D30 w/yukon alloys, lock right, jb4x4 bracket, Rusty's HD tie rod 8.8w/ LSD,SOA xj rear 100" wheelbase, homemade greasable boomerang shackles, SS braided lines, 1" prothane body lift, 35" TrXus M/T, smitty built XRC.
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Unread 01-12-2007, 09:37 PM   #18
ID89YJ
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Mine had a 2.5l aswell, i wish mine would have been closer to the same year it would have made the job alot simpler.


Steve
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Unread 01-20-2012, 11:16 AM   #19
Keepajeep
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1994 YJ Wrangler 
 
Join Date: Sep 2010
Location: Sarnia, Ontario
Posts: 103
I am looking for the interior firewall connections for a 1994 2.5L YJ interior harness to a 1991 YJ 4.0L engine harness. 10 pin connector. can't find anything ?

thanks for any help diection
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