Question about 2001 GMC Sierra Crew Cab

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Need code to unlock radio on 2001 gmc sierra truck

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: GMC truck exhaust diagram

GUESSED AND IT WORKED!

Posted on Jul 31, 2008

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keemo68
  • 1263 Answers

SOURCE: 2001 gmc jimmy. need radio

the default code is 0000,1234,9999

Posted on Sep 05, 2008

  • 59 Answers

SOURCE: 1997 GMC Sierra Ignition Switch Replacement

take off the cover on the top and bottom of the steering column just behind the wheel. pop the tilt lever out simply just by grabbing it and give it a good tug. then once you have the new switch and you get in there your going to need an inverted torx socket to remove the small bolts that hold the switch to the column. do not move the gear on the new switch make sure it lines up exactly as the old one did!!!!!!!!!!!!

Posted on Mar 15, 2009

emissionwiz
  • 79865 Answers

SOURCE: factory radio wiring color codes

Here ya go. enjoy!
2002 GMC Sierra C1500 Car Radio Wire Color Codes
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black/White
Car Radio Illumination Wire: Brown
Car Stereo Dimmer Wire: Gray
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: Under the center console.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

Posted on May 14, 2009

Molson02536
  • 3854 Answers

SOURCE: 2004 GMC Sierra 4dr truck. the fan does not work

The switch or the wire harness at the blower motor has gone bad. The highest setting 5 has no resistor, so the blower runs on high but the high current flow ends up burning up the switch's contact on that setting or the resistor wire harness at the blower motor has gone bad. Common would be the switch it self, if the switch is good. Then it's going to be the wire leads at the speed resistor by the blower motor under the glove box by the passenger leg compartment. Keep me posted, be glad to help you get your Sierra running 100% again soon.

Posted on Jan 06, 2010

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The reason the radio won't work is because of theft deterrent stuff built in radios now where if power is unhooked from the battery, you have to enter a code to get it unlocked. I would start by looking at your owners manual to see if there is a paper or page that would give the code you need to press to unlock it. If no luck there, I would go to the nearest GM dealer and tell them what happened and they should help you out and most likely not charge you anything.

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