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1994 GMC Sierra transmission question

Tiny
TJHANEY
  • MEMBER
  • 1994 GMC SIERRA
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 219,000 MILES
I have done a carburetor swap and now it won't kick down it shifts through the gears fine but when I gas on it it won't catch passing gear it has a 4l60e transmission
Saturday, March 21st, 2015 AT 6:22 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Is it a carb or tbi? Adjust detent cable.
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Sunday, March 22nd, 2015 AT 7:04 AM
Tiny
TJHANEY
  • MEMBER
  • 2 POSTS
It's a tbi motor but I put carb on it doesnot have a tv cable it's a 4l60e it has a wiring harness
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Sunday, March 22nd, 2015 AT 7:18 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Then that is your problem it should have a tv cable for it there should be one on it or it's the wrong year trans you'll have to see if you can get a trans computer for it to run right or just live with it.
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Sunday, March 22nd, 2015 AT 12:02 PM

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