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Swapping transmissions

Tiny
CODY FINNECY
  • MEMBER
  • 1993 CHEVROLET CHEYENNE
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
The truck is a 1993 Chevrolet Cheyenne 3/4 ton 2wd. Originally the truck came with the 4l80e, but I recently swapped in another 350tbi engine and a 700r4 transmission that came out of my 1988 Chevrolet Scottsdale donor truck. What issue I now have is this truck does not have a connector for my TCC lockup or for my VSS (vehicle speed sensor). How do I fix this?
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Monday, June 10th, 2019 AT 9:06 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

You will need the harness from the 1988 to go into the 1993 for the transmission to work correctly.

Either that or change the transmission back into the truck.

Roy
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Tuesday, June 11th, 2019 AT 6:37 AM

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