
2004 GMC C7500 Topkick C7C042 8.1L Tachometer
Very simply; If I connect my Snap-On Solas Pro scanner, I have a good rpm signal, however the tach on the dash panel does not work. I cannot find a wiring diagram for this vehicle. I am tempted to change the instrument cluster but it's over $300.00. Can somebo...
FIX posted 2/16/2009
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Message Closed w/FIX
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VIN | 1GDL7C1E84 |
Engine | 8.1 L / 8 cyl / GAS |
Trans | 0-speed Automatic |
Delivery | FI |
Affected | Tachometer |
Conditions | Not Functioning |
Misc. | Altec Boom Truck |
Message Closed w/FIX
Vehicle Data
2004 GMC C7500 Topkick C7C042
VIN | 1GDL7C1E84 |
Engine | 8.1 L / 8 cyl / GAS |
Trans | 0-speed Automatic |
Delivery | FI |
Affected | Tachometer |
Conditions | Not Functioning |
Misc. | Altec Boom Truck |