when the electric kickdown solenoid is connected to a kickdown switch it will no longer shift so early
what year truck we talking here/
if old body style 91 or older then you could pull a stock switch from the accelerator pedal assembly of any th400 truck 73-up and run the single wire from it to the solenoid spade on the trans
and run power to the switch to the fuse panel ign source same as what factory did.
doing the same in a 78 right now converting from the original th350 to a nice 3L80HD from an '87
Last edited by fast68; 04-19-2009 at 06:26 PM.