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All Gauges On Dash Dead
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Question
Darcane
I have a 2003 Silverado, ext cab 2wd work truck. 4.8L, Auto, 110k miles.
A few days ago, I started up my truck and all the gauges weren't working. Not just one or two, all of them... When I turn the lights on, the dash was still backlit, and the digital readout still displays info (odometer, etc). Radio and HVAC works as do all lights, turn signals. Dash warning lights are briefly displayed as normal when I start the truck.
I know about the stepper motor bulletin, and I don't think this is related. I have the stepper motor problem on the speedometer gauge and I know how it acts.
I tried searching for similar posts. I saw a few, but none had any sort of resolution.
I figured it might be a fuse, but I checked all the fuses that appeared to be relevant and they were all intact.
Any tips as to where I should be looking?
A few things that may or may not be relevant:
The gauges failed when I started my truck up to tow a boat trailer with... questionable wiring. Maybe a short on the trailer?
I use a device called an Ultragauge that pulls info from the OBDII port real-time. Using this, I can see that most of the sensors are working (I can display RPMs, Coolant temp, Speedo, battery voltage) and they read at expected levels.
I left it sit for a couple days and drove another car I have. I tried to start it this morning and the battery was completely dead.
Thanks for any help,
Mike
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