How to make a 90 mpfi harness work in an 88?
Thread Starter
1.5 BAR
Joined: Oct 2004
Posts: 1,167
How to make a 90 mpfi harness work in an 88?
I can't find an 88 si/hf engine harness anywhere...
I have a pile of obd-0 mpfi engine harnesses, but they are all 90-91.
Anyone here made a 90 mpfi engine harness work in an 88?
Any known write-ups?
I have a pile of obd-0 mpfi engine harnesses, but they are all 90-91.
Anyone here made a 90 mpfi engine harness work in an 88?
Any known write-ups?
1.0 BAR
Joined: Oct 2003
Posts: 501
Re: How to make a 90 mpfi harness work in an 88?
I had that same prob with mine.....turned out i could either pinout the connectors on the shock towers or i could change out the whole harness( which i did)....hope that helps any
0.0 BAR
Joined: Jun 2003
Posts: 0
Re: How to make a 90 mpfi harness work in an 88?
I hope this helps, it a lot less work then it seems http://www.fourthgenhatch.net/mpfi.html
0.5 BAR
Joined: Dec 2006
Posts: 114
Re: How to make a 90 mpfi harness work in an 88?
Originally Posted by turbozexcrxman
I had that same prob with mine.....turned out i could either pinout the connectors on the shock towers or i could change out the whole harness( which i did)....hope that helps any
it will run but have fuelcut and a ---- load of cel's.
i ended up building one from scrap plugs. took a while, and i thought my brain would fry but it ended up with no cel's.
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