transmission and motor

10

Asked by Feb 06, 2016 at 11:00 PM about the 1990 Chevrolet C/K 1500 Silverado Standard Cab LB 4WD

Question type: Maintenance & Repair

ok so i put a new motor in my 1990 chevy
k1500 and new tv cable it is throwing all the
codes except 2 of them and i know the tv
cable is adjusted right but when i hold it to
the floor it will only go to bout 2000 rpm and
wont kickdown to go wat could my problem
be

4 Answers

4,575

I'd start with the main cables from the battery and the goofy auxilliary loop connection probably from the alternator...that one is important...nice n' clean and shiny....on the Negative terminal there is a cable running to the block...assure that connection will pull the 50 amps needed for starting~ make sure all is Clean connections~...then we can look at the connectors and trace signals~

10

ok thanks ill try that if tht dont work u got any other ideas wat it could be?

4,575

won't kickdown, you say? thinking about your vacuum lines now~ make sure they are all connected and none of them leak~ that's l got~ coming back again off of 2 years away...really do not know the answers to all cars, like I should ...take a look at the lines...think one of them is your "vacuum modulator" but really not sure on your truck...but is worth a look if you see something down there disconnected~

10

ok thanks man

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