05 GMC electrical problems

bricen · 08-06-2008, 07:54 PM

i have a 2005 GMC Sierra 2 wheel drive, 4.8L truck (work truck) lately it has been doing some weird stuff, when i use the right turn signal the 4 ways come on, and today i had the A/C on and the drivers side started blowing hot air, and once the the radio stayed on with key out of the ignition and the doors opened, just wondering if anyone has had this problem and if so what the problem is, im assuming its a module or something but i have no idea where to start

gmctrucks · 08-07-2008, 03:37 AM

Welcome to the club and howdy from TEXAS. First of all see if GM has any recalls on this problem my brothers truck at one time was doing weird stuff as well and it was fixed under warranty might go to your local GM dealer and ask a service manager.

08-06-2008, 07:54 PM	#1
bricen Junior Member Join Date: Aug 2008 Posts: 2	05 GMC electrical problems i have a 2005 GMC Sierra 2 wheel drive, 4.8L truck (work truck) lately it has been doing some weird stuff, when i use the right turn signal the 4 ways come on, and today i had the A/C on and the drivers side started blowing hot air, and once the the radio stayed on with key out of the ignition and the doors opened, just wondering if anyone has had this problem and if so what the problem is, im assuming its a module or something but i have no idea where to start

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08-07-2008, 03:37 AM	#2
gmctrucks Senior Member Join Date: Nov 2006 Location: Houston,Texas Posts: 1,603	Welcome to the club and howdy from TEXAS. First of all see if GM has any recalls on this problem my brothers truck at one time was doing weird stuff as well and it was fixed under warranty might go to your local GM dealer and ask a service manager.