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1999 Chevrolet Express 3500 5.7L ECM Fuse 1
Posted to GM Electrical on 9/21/2014 20 Replies

I have this GM 5.7 here. It has a short to ground that blows ECM 1 Fuse. I tried tracing and unplugging numerous parts to make the short go away. Finally realized when I unplug one of the Oxygen sensors the short doesn't go away but the resistance increases. B...

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  Related Documents & Media  1999 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GBJG31R8X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedECM Fuse 1
ConditionsNo Start, Stall
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GBJG31R8X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedECM Fuse 1
ConditionsNo Start, Stall