Question about Chevrolet 1500
You don't say what kind of transmission you installed in place of whatever transmission you took out. 4L60E, 700R4, etc.
You probably have a mess on your hands. If your replacement is pcm controlled, there is no practical way to override the pcm for transmission control. It does all the work that shift valves did in older transmissions. You NEED the pcm involved. I guess you COULD bypass it with a set of switches, but then you'd need a co-pilot to work the solenoid switches while you drive the vehicle.
There are add-ons available that will adapt transmissions for racing, show car building, etc but they are a bit of work, a bit of money, and require some understanding of electromechanical systems on transmissions. Might start at tciauto.com or google trans adapter harness.
Posted on Aug 02, 2010
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Posted on Jan 02, 2017
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