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1990 Chevrolet C3500 Silverado 7.4L No Start, Stall
Posted to GM Driveability on 6/7/2010 9 Replies

ECM b fuse was blowing. Now it blows soon as ignition switch is switched on. Isolating gray wire at fuel relay stops [...] module is shown under dash cloose to brake pedel, can not locate it.

Unpluged ignition switch, ECM, fan relay and oil switch. Still blow...

9 Replies Received (View Replies)

  Related Documents & Media  1990 Chevrolet C3500 Silverado

 
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet C3500 Silverado

VIN 1GCHR33N4L
Engine7.4 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / tbi
Emissionsfed
SymptomsNo Start, Stall
OccursAlways
Misc.3+3
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet C3500 Silverado

VIN 1GCHR33N4L
Engine7.4 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / tbi
Emissionsfed
SymptomsNo Start, Stall
OccursAlways
Misc.3+3