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gmc 4.8l dash problem

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Old 05-16-2018, 08:00 PM
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Default gmc 4.8l dash problem

when i start dash does light up also radio and heater motor inop after awhile they start to work and it does it all over agin any body know what is going on this is a 2001 gmc 4.8l sierra
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Old 05-17-2018, 12:30 PM
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Originally Posted by special old nut View Post
when i start dash does light up
Assuming you expect that the dash should not light up, as in: you are in broad daylight with headlights turned off, correct?

Originally Posted by special old nut View Post
also radio and heater motor inop
So . . . nothing at all from these? No lights no sound no nothing? If you left them on before the car got shut off etc. do they light up or make noise or anything when you start up again?

Originally Posted by special old nut View Post
after awhile they start to work and it does it all over agin
After about how long?

Originally Posted by special old nut View Post
this is a 2001 gmc 4.8l sierra
Where does it live?

How many miles?

Any trauma from accidents/disasters/floods/locusts/etc.?

Has it recently been in a lot of rain/snow?

Have you owned this vehicle for a while and it just started this or did you recently purchase this vehicle and it came with these issues?

Last edited by CathedralCub; 05-17-2018 at 12:31 PM. Reason: Added a colon
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