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1992 Other GMC Models Trouble with Transmission

Tiny
SALLY07
  • MEMBER
  • 1992 GMC
  • V8
  • 4WD
  • AUTOMATIC
  • 181,000 MILES
Recently purchased transmission from Advance Auto.
I have installed it. Also have installed Rostra harness.
Color codes to color codes according to instructions.
Trans will not shift.
Monday, February 1st, 2010 AT 6:41 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Go over everything you did with the instructions. Make sure you have good connections, then contact their tech support to see if they can figure out what is wrong. Sometimes changes are made with these installs and creates problems like you are experiencing.
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Monday, February 8th, 2010 AT 8:18 PM

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