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 3 years ago

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

Mark helpful

Your Answer:

Related Questions

  • Engine and transmission change 1 Answer

    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 th...

    1991 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • Engine / Transmission swap 1 Answer

    My engine has blown. It's a 4.3 litre V-6 Vortec with 4 speed overdrive automatic trans. Will the engine / transmission from a 2001 GMC sierra fit into my Chevy ? Both motors are 4.3 litre V-6

    1996 Chevrolet C/K 1500 Cheyenne Extended Cab RWD

    -

    Maintenance & Repair

  • I want to change transmission 1 Answer

    With the transmission out of a Chevy1500 with the5.7 work in a 05 Silverado 4.3

    1997 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • transmission and motor 4 Answers

    ok so i put a new motor in my 1990 chevy k1500 and new tv cable it is throwing all the codes except 2 of them and i know the tv cable is adjusted right but when i hold it to the floor it will only...

    1990 Chevrolet C/K 1500 Silverado LB 4WD

    -

    Maintenance & Repair

  • Check engine light stays on when cranked. engine idles high and transmission doest change properly. 1 Answer

    What should i check for.

    1995 Chevrolet C/K 1500 Cheyenne Extended Cab 4WD

    -

    Maintenance & Repair

Own this car?

Share your experience with others.

1991 Chevrolet C/K 1500

Write a car review

Review another car

Shortcuts

Search Chevrolet C/K 1500 Questions

CarGurus Experts

  • #1
    Andrew Olsen
    Reputation
    15,760
  • #2
    Rowefast
    Reputation
    9,530
  • #3
    John Saffrahn
    Reputation
    6,430
View All

Know more, shop wisely

Search

Related Models For Sale

Used GMC Sierra 1500
1,827 Great Deals out of 66,006 listings starting at $875
Used Ford F-150
6,050 Great Deals out of 131,250 listings starting at $900
Used Chevrolet Camaro
604 Great Deals out of 9,234 listings starting at $4,000
Used Chevrolet C/K 2500
63 listings
Used Chevrolet S-10
3 Great Deals out of 170 listings starting at $3,899
Used Ford Mustang
923 Great Deals out of 22,585 listings starting at $783
Used Chevrolet C/K 3500
80 listings starting at $4,500

Used Cars for Sale

1999 Chevrolet C/K 1500 For Sale
9 listings
1998 Chevrolet C/K 1500 For Sale
30 listings
1997 Chevrolet C/K 1500 For Sale
41 listings starting at $14,900
1996 Chevrolet C/K 1500 For Sale
37 listings
1995 Chevrolet C/K 1500 For Sale
38 listings starting at $11,000

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.