20 Most Recent 2006 GMC Sierra 2500 Questions & Answers

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Replace speakers in the door

By far the easiest way to do this is to go to Crutchfield.com. They will take your vehicle information, tell you what speakers will fit in you door(s), provide you with detailed instructions on the procedure to remove the old speakers, give you any adapters or spacers necessary for the new speakers. It doesn't get any easier than that.
12/31/2014 5:42:01 AM • 2006 GMC Sierra... • Answered on Dec 31, 2014
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Remove door panels

Here is a youtube video , it's easier then me trying to right the steps down ! How To Install Replace Remove Door Panel Chevy Silverado GMC Sierra 03 06...
12/30/2014 11:16:39 PM • 2006 GMC Sierra... • Answered on Dec 30, 2014
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How do I change the switches in the steering wheel on a 2006 GMC 2500HD sierra?

this is something that would be best done by the dealer due to the airbag being in the steering wheel , that being said if you wish to attack this on your own still you have to unplug any power [battery, back up battery, stereo amps stiffening capacitors etc] then there are some small screws on the back of the steering wheel that need to come out before the horn/airbag assembly will come out to allow you to disconnect and replace the steering wheel switches depending on the accessories on your truck you may also need to remove the steering column covers before you can acess the scews in the back of the steeringwheel. be VERY cautious of the airbag connectors and wires but you would still be safer and better off letting a dealer change those out for you.
12/30/2014 11:13:18 PM • 2006 GMC Sierra... • Answered on Dec 30, 2014
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2016 GMC Sierra window and mirror issues

Have you replaced the actual switch panel mounted in the door? If everything else works directly with their own switches it could be the switches you use whilst driving.
7/13/2023 7:12:46 AM • GMC Sierra Cars... • Answered on Jul 13, 2023
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My 92 GMC failed smog only in the HC area. CA emissions requires max118 at 15mph and mine was 123, max at 25mph is 98 and mine was 97. What could it be?

sounds dumb but here in maryland people with older vehicles have problems passing emissions test. sometimes fresh oil change can help also possibly vehicle is in need of a tune up including plugs wire cap rotor pcv valve and fuel filter. one other thing could be the catalyst converter might not be cleaning to its full potential. hope this helps
12/28/2022 1:20:01 AM • GMC Sierra Cars... • Answered on Dec 28, 2022
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Adjust headlight horizontal on 2014 gmc sierra 4x4

The head light adjustment screws are at the back of the headlight under the hood.
9/16/2022 9:24:52 PM • GMC Sierra Cars... • Answered on Sep 16, 2022
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I have a 1994 GMC Sierra 1500 why does the ctsy fuse light up?

Fuses shouldn't 'light up', fuses melt, lights light up. I am very confused. Some general help in the link. https://www.google.com/search?q=ctsy+fuse ..
6/8/2022 9:50:18 PM • GMC Sierra Cars... • Answered on Jun 08, 2022
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I have a 08 Seirra Z71 that the driver door lock, windows and mirrors won't work. Checked fuses in panel and under hood but nothing.

Door switches or wiring.A scanner would help tracing the problem.
6/7/2022 9:38:10 AM • GMC Sierra Cars... • Answered on Jun 07, 2022
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Need torque specs for front hub spindle nut and bolts that holds the hub assembly usually 3 or 4 of them

What is the torque for a 2007 Saturn ion wheel hub assembly
3/27/2022 9:02:26 PM • GMC Sierra Cars... • Answered on Mar 27, 2022
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2009 GMC Sierra 5.3. What could be the cause of my Stabilitrack going on and off for no reason and making my truck run bad?

Question edited for clarity. You need a good auto electrican with a $5,000 pro grade scan tool computer to diagnose. Your issues are electrically caused, not mechanical. 'Local mechanics' don't buy the fancy scanners.
3/21/2022 8:43:32 PM • GMC Sierra Cars... • Answered on Mar 21, 2022
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2014 1500. Replaced calipers. Why did ABS light turn on?

ABS sensor wiring became disconnected?
3/21/2022 8:42:51 PM • GMC Sierra Cars... • Answered on Mar 21, 2022
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2001 GMC Sierra break light not working

check fuse relay wiring and switch and if lighter kept blowing fix dont throw in bigger as you see could have burnt truck down
2/7/2022 6:53:11 PM • GMC Sierra Cars... • Answered on Feb 07, 2022
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2009 Sierra stuck on 30 mph

Called 'Limp Mode'. Connect to a code reader and it will tell you why.
1/22/2022 6:29:00 AM • GMC Sierra Cars... • Answered on Jan 22, 2022
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2009 GMC sierra speedometer starts at 50 mph

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1/22/2022 5:28:25 AM • GMC Sierra Cars... • Answered on Jan 22, 2022
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What color wire in the headlight connector is positive for the marker lights?

This means marker light, running light, brake light or blinker. In this case one of the wires will be ground (-) and the other is positive(+). Generally a white and a black wire will be provided. The white will normally be the ground(-) and the black will be the positive(+).
1/16/2022 2:31:17 AM • GMC Sierra Cars... • Answered on Jan 16, 2022
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Trying to figure out what is going on with my

Wheel bearings and struts.
1/10/2022 9:43:28 PM • GMC Sierra Cars... • Answered on Jan 10, 2022
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Need help figuring out what is wrong with my 2008 GMC Sierra

Check the radio instalation for the issue.
11/20/2021 7:27:14 AM • GMC Sierra Cars... • Answered on Nov 20, 2021
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On a 1994 GMC Sierra 2500, which fuse is for the headlights?

PERHAPS IT HAS A RELAY FOR THEM UNDER THE HOOD
10/4/2021 8:51:16 PM • GMC Sierra Cars... • Answered on Oct 04, 2021
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Why aren't speedometer and tach working?

Maybe vehicle speed sensor has a problem?
4/17/2021 8:50:19 PM • GMC Sierra Cars... • Answered on Apr 17, 2021
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