Thread: 91 chevy wiring
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Old 01-05-2018, 01:20 PM   #7
ChevyTech
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Join Date: May 2004
Location: Minnesota
Posts: 4,620
Re: 91 chevy wiring

Quote:
Originally Posted by Dicky8979 View Post
I have an 89 1500 4x4 I changed cab . I got a 91 cab put in on now speedo doesn't work. So I pull the 91 instrument panel out an put my 89 in the 91 cab. Try to start it an the truck won't start just cranks. Put the 91 instrument panel back in starts rite up but speedo don't work . Can anyone help me . I'm about to lose it
The wiring in the instrument panel connector is different, between those years.

This is what I have saved in my notes but I no longer have working links to where it was posted. From this you can figure out the swap both ways.

"Move B15 to B11, Move A10 to A9, move A11 to A10." That's for putting a '91 cluster into a '90 (same as 88-89)
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Did you give the model, year, engine, fuel system type, and transmission information?
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Last edited by ChevyTech; 01-05-2018 at 01:24 PM. Reason: Spelling
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