Mechanics

TRANS SHIFTING

1999 GMC Truck

Transmission problem
1999 GMC Truck 6 cyl Two Wheel Drive Automatic 120000 miles

My trans does not shift into overdrive. I have had it looked at, but I think it might be something simple. It works good through the other gears. I can't believe I need another trans. Are there any connections or wires that come into play with the OD shift?
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Lwn9327
May 3, 2010.



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