Turbo Buick Forums banner
1 - 2 of 2 Posts

Resident Embraer Driver
1,160 Posts
I'm guessing your going to need an 86-87 ECM, if you do have one, start remaching the wires off the harness to the plug coming out of the computer, or if its in your budget, just go to caspers website, and buy a brand new harness and everything will go much smoother.


1986 Grand National
TA-49, 009's, Hooker cat back, 3' BGC Downpipe with ported elbow and all the other usual stuff

1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.