88 7mge motor in a 89 body

88 Blue_Dragon

Wish i hadn't sold my sup
Dec 3, 2008
45
0
0
Beaverton, Or
i know this has been covered many times but i can't remember if i have to do alot of swapping. can i just take the 88 engine wiring harness and ecu out and put it in the 89 body with the engine? im trying to figure out if i wanna buy this body or not.

thank to all who will help :icon_bigg
 

CRE

7M-GE + MAFT Pro + T = :D
Oct 24, 2005
3,485
0
0
Denver, CO
I haven't yet tried on one, but the harness should plug right in as long as the physical shape is the same. The pin out is the same in my '88 TSRM compared to the '90 on Cygnus. I don't know if there are any changes to the dash harness which would interfere though.