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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine> Modern Electronic Engines> ecm change=harness change?
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Topic Review (Newest First)
12-29-2012 07:16 PM
LATECH Bump to front : relevancy
11-21-2012 10:23 AM
chphlds thanks for the info.my computer was down for a few days.really appreciate the advice.my first tpi and it is nerv racking.once again ,appreciate your knowledge.
11-15-2012 07:30 PM
LATECH Moving thread to Modern Engine Electronics .
11-15-2012 07:04 PM
LATECH
Quote:
Originally Posted by chphlds View Post
one more question guys.when changing my ecm from the16198262 to the 16198259 will i have to change the harness also?
Your 86 F Bird is wired with a MAF sensor, the 16198259 is the correct ECM for that system. Unless someone radically changed the wiring , it should be plug in and play.
That was the point that I was trying to elude to about the difference in the ECM s . They look the same , but not all pins or terminals at the plug ins are used, depending on the type of FI system that it was designed to run.
The circuitry inside the ECM ( hardware) is different, and each one has a different wiring harness to hook to necessary devices under the hood.
As long as the underhood wire harness is intact, plug it in and go.
The #62 ECM has nothing inside that hooks to the terminals where the MAF sensor wires go in the ECM connector , because it doesnt use one. The ECM doesnt have the hardware inside to run it.
11-15-2012 11:46 AM
chphlds
ecm change=harness change?

one more question guys.when changing my ecm from the16198262 to the 16198259 will i have to change the harness also?

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