Mass air conversion

frank91lx · Jul 25, 2005

I have an 88 speed density car that I want to change over to mass air. I have aquirred a complete engine harness and ecm out of a 91lx. I installed the complete harness. The issue that I have is that the 91 harness has a grey connector by the ecm plug that the 88 car doesn't have. Where do I need to connect these wires to. I can get the other plug out of the donar car I just need to know where to wire it into.
Thanks Frank

uedlose · Jul 25, 2005

is it for the air bag harrness? if it was not dark outside I could help you out more.

jrichker · Jul 26, 2005

Copied from bbunt302
Just for reference, here's a list of all the compatible years:

89 harness should work for 86-89 as long as you're using mass air.
90 harness will only work in a 90. (B/c of air bags and dual dash connectors)
91 through early 92 harnesses should be compatible (single dash connector, fuel pump relay under driver's seat)
Late 92 through 93 harnesses should be compatible (single dash connector, fuel pump relay under the hood)

monsters · Jul 26, 2005

Sorry, dont want to steal your thunder dude, --- I have an '87 and want to use a '93 harness what do I have to do to use it?

Mass air conversion

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