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1991 Chevrolet R1500 Suburban Silverado 5.7L Speedometer
Posted to GM Electrical on 3/15/2007 7 Replies

The speedo shows 0 mph at all speeds. When the speed sensor voltage is measured at the DRAC, it increases as vehicle speed increases. Mitchell says that there should be AC voltage at the speedo output. I measured 0v. I replaced the DRAC with a new one. I still...

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  Related Documents & Media  1991 Chevrolet R1500 Suburban Silverado

 
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet R1500 Suburban Silverado

VIN 1GNER16K8M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedSpeedometer
ConditionsInop
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet R1500 Suburban Silverado

VIN 1GNER16K8M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedSpeedometer
ConditionsInop