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2004 Chevrolet Trailblazer EXT LT 4.2L Oil Gauge and Speedometer
Posted to GM Electrical on 9/6/2008 14 Replies

I am leaning towards the cluster. Just wanted to throw this out there to get a few opinions. The oil pressure will run 60psi and all of a sudden drop to -0- then may move around from there. The speedo is doa. The speed sensor does read on my monitor though.

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Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer EXT LT

VIN 1GNET16S84
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedOil Gauge and Speedometer
ConditionsSpeedo Is Dead and the Oil Pressure Is Irratic
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer EXT LT

VIN 1GNET16S84
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedOil Gauge and Speedometer
ConditionsSpeedo Is Dead and the Oil Pressure Is Irratic