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clinebarger · 11-17-2012, 07:50 PM

GMT-400 trucks had a TH400 option, They had a kickdown solenoid Relay controlled buy the ECM.

Easiest way is to use a Square Body pedal & Kickdown switch.

11-17-2012, 07:50 PM	#3
clinebarger Senior Member Join Date: May 2009 Location: Fort Worth, TX Posts: 6,370	Re: turbo 400 kick down switch GMT-400 trucks had a TH400 option, They had a kickdown solenoid Relay controlled buy the ECM. Easiest way is to use a Square Body pedal & Kickdown switch.