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2000 GMC K3500 Sierra SL 7.4L Erratic fuel guage a
Posted to GM Driveability on 10/26/2010 6 Replies

So far we have traced all wires using power probe and cannot find any short in wire , I am going to replace module this am along with relay. However I need to know which com=nnector on the PCM is connector 4 as I need to check pin 12 for ground. Also would it ...

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Message Closed w/Summary

car Vehicle Data

2000 GMC K3500 Sierra SL

VIN 1GDJK34JXY
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsErratic Fuel Guage A
OccursAlways
Message Closed w/Summary

car Vehicle Data

2000 GMC K3500 Sierra SL

VIN 1GDJK34JXY
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsErratic Fuel Guage A
OccursAlways