Engine and transmission change

Asked by Guy Oct 11, 2020 at 08:40 AM about the 1991 Chevrolet C/K 1500

Question type: Maintenance & Repair

I have a 90 Chevy Cheyenne 4.3 OL Manual transmission, I'm going to put that
engine and transmission in a 1991 Chevy Cheyenne 4.3 OL automatic
transmission  are the computers and wiring harnesses the same or am I going
to have to pull dashboards and change the wiring harnesses ?

1 Answer
670

Alex answered 4 years ago

Harness should be the same, use the computer from the donor truck

Mark helpful

Your Answer:

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