Question about GMC Cars & Trucks
Sometimes they get stuck and will not come OUT of four wheel drive. Try resetting the 4 wheel drive button and drive forward and backward several times.
Posted on Apr 08, 2015
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Posted on Jan 02, 2017
Mkisner, I have a 2003 gmc 1500 extend cab. I hear a small fan running in the headliner. It's very loud when cold outside. When I press on the grille in the head liner it quiets down. After the cab warms up the sound goes away. I ask the mechanic at the dealer what in heck is that. He said it's a fan that registers inside temperature for the air/heater. They have to take the headliner down to change it. He said expensive to change because of labor so I live with it. That is the explanation that was given to me. It does look like a speaker. The On-star voice receiver is in the mirror and speakers are the radio. That's why the radio music mutes when talking to On-Star or using the truck phone. You might what to know that Verizon has a deal with On-Star to add the truck phone to you Verizon bill for $9.95 per month sharing your minute with your cell phone. Verizon will assign a new phone number for your truck. It works great and you can program voice commands for the phone. Very powerful and clear. You can't go wrong but you have to keep On-Star active. Ken
Posted on Sep 15, 2009
My 00 did the same thing , If you did get it in 4x4 it took 30 minutes pushing 2wd to get it back..I change the selctor switch work'd fine since. About 40 50 bucks.HOPE THIS HELPS
Posted on Dec 09, 2009
This is a well known issue with model years 2003 thru 2005. There is a chance GM will replace it under recall... Call the Chevy Customer Assistance Center 1-800-630-2438 to find out.
If not and you want it fixed, try Southern Electronics at http://www.instrumentclusters.com/.
Posted on Jan 01, 2010
my name is michael. You said it will go into 4 low but not into 4 hi. Have you lifted the truck to see if it is operational? Does your 4x4 light come on? Does it grind into either 4 hi or low? And one thing, has anyone ever taken the axle out on the right hand side? Please feel free to email me at MOFRACKY1@hotmail.com.
Posted on Jan 30, 2010
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