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1993crewcab
03-07-2010, 05:12 PM
What all makes the 4l80e transmission shift? As far as wiring, any help will be appreciated, thank you.

trukdoc
03-07-2010, 11:19 PM
...on pump...engine speed sensor{component part of oil pump drive}input speed sensor and output speed sensor both of which are mounted into driverside of transmission case..a relay that turns on the computor { the only computor on that 93} and of course the computor...jd

1993crewcab
03-08-2010, 12:40 AM
So I need to hook up the engine speed sensor that is off of the pump? I have the tps hooked up to my throttle, and my wire harness is hooked into my transmission and transfer case, all that is done, do you know what wires they are for the speed sensor, any pictures?

trukdoc
03-09-2010, 09:20 AM
...changing from a manual to an auto,you'll need to change the oil pump drive...engine speed sensor on NON electronic pumps is part of oil pump drive. it has a two wire weatherpac plug ...jd