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91 cas wiring help

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BoostedTT91

15+ Year Contributor
285
7
Aug 2, 2004
Elysburg, Pennsylvania
The 91 talon I bought someone cut of the cas harness and wired in a 90 cas. I bought a new harness for the correct 91 cas but the wire colors don't match up with what I have on my engine harness. The new pigtail has white, yellow, red and black wires. My engine harness has white, red and 2 black wires. One back wire is a heavier gauge than the other black. Anyone have any idea what is what?
 
Yep. The wiring, colors and sizes and all, on the engine harness runs to the same place for both '90 and '91+ models. The '90 CAS with its built-in pigtail wires up to the either harness (sans connectors) as Bryan pointed out in the thread I linked above.
 
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