Ghost in my 2500hd

35

Asked by Feb 02, 2011 at 06:18 PM about the 2003 Chevrolet Silverado 2500HD 4 Dr STD 4WD Extended Cab LB HD

Question type: Maintenance & Repair

Dash/ lights /fan 2003 2500hd ok it's about to get wierd Gauges acting up flashing on off sometimes allways off I allready put in the new gauge cluster "pre gm" 4x4 Dosn't work eather push the button and it flashes for a second then out ? had my mech hookup his scan tool he couldn't read anything said key not on but truck was running Also if I pull the key out "truck off" turn the fan to 3,4 or 5 the blower runs on off on off and the lights flash on off on ? thanks for the info do I have a ghost ?

6 Answers

4,055

Could you maybe explain the problem more clearly? I don't quite understand what you're asking.

35

The gauge cluster is acting up. gm said to replace cluster but it still the same. "acting up"= lights bells flashing on and off spedo and tac not working once in awile it works great if t shut the truck of . pull key out . turn fan to 3,4 or 5 the blower starts and stops the head lights flash too

4,055

With those systems being affected, I would be looking at the dashboard and engine compartment wiring harnesses and possibly even the Body Control Module or the main computer.

35

Ok i'll start with the wiring harnesses What about the key switch ?

1 people found this helpful.
4,055

Judging from the symptoms I think the key switch is probably good, simply because everything is getting power, but it could be worth testing just in case.

405

have you replaced your alternador.if so check your wires behide your dashboard.

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