Question about 2003 Chevrolet Avalanche

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Wanting to install an after market cd player in a 2003 chevy avalanche wanting to know where to get the cheapest wiring harness

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Best Buy sells inexpensive kits that attach to your factory wiring.

Posted on Mar 12, 2011


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My 2003 chevy avalanche has been having the REDUCED ENGINE POWER warning and the engine cant acelerate.

I'm an owner who had this problem on / off for a year. Several returns to dealership proved hopeless. Service shop devulged that '03 Avalanches had a overall electric problem that could not be detected. I legally forced dealership's hand...They replaced the entire wiring harness at no cost. No problem since. George

Sep 16, 2011 | 2003 Chevrolet Avalanche

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2003 chevy avalanche ,which line is the return transmission line at the radiator ./ installing after market cooler

Both of the steel lines at the radiator should be sent to the after market cooler eliminating the cooler in the radiator. Good luck

Aug 30, 2011 | 2003 Chevrolet Avalanche

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Can i take a radio out of a 2003 chevy pu with cd player and install it in 2000 chevy impala without cd player without any additional wiring harness

You would have to find out, how to get it to work.
Every GM Radio has a code ,so it can not be used in
another vehicle, if stolen.

I don't know when that started, and if a dealer
could answer that work around,I would ask a tech

Go into the service bay from outside some day and ask

Dec 19, 2010 | Chevrolet Impala Cars & Trucks

1 Answer

Wanting to install a cd player in a 1977 mercury grand marquis, wondering y an old tape deck will work but a modern day cd player will not. Is there a wiring harness that i can use to install a cd player?


NO problem here, the supplier of the CD player will have an interface(wiring plugs adaptor) that will convert the original wiring to suit the (new) replacement unit. A good Auto Elec will also solve any problems but the interface wiring will illiminate all this. Good Luck

Dec 12, 2010 | 1977 Mercury Grand Marquis

1 Answer

4 way flashers come on with the left turn signal 2003 chevy avalanche

Do you have a trailer wiring connector? If you do check it for damage or corrosion. If it was recently installed check the wiring where it splices into the factory harness to make sure it was hooked up properly.

Apr 22, 2010 | 2007 Chevrolet Avalanche LTZ

1 Answer

Im installing a radio in my 03 chevy avalanche and i cant figure out y it wont work

if you put it in with the wire harness that plugs into the trucks harness you have to make sure the amp turn on wire is connected from the radio to the harness if the amp isnt on you get no sound, if you didnt buy the harness and cut into the trucks wires you could have a problem, check all radio and amp fuses also

Feb 23, 2010 | 2003 Chevrolet Avalanche

2 Answers

2003 chevy avalanche 4x4 z71 states transmission hot

It means just that, the transmission is overheating, don't continue drive it you will ruin the trany for sure. Get it to a trany shop it's most likely a simple fix.

Jan 02, 2010 | 2003 Chevrolet Avalanche

2 Answers

I want to change my original cd player for a pioneer

This is because you need to purchase the aftermarket-oem harness plug.This harness plugs into your original equipment radio harness and allows you to plug any aftermarket radio into the stock deck wires.After you plug the harness in you can then connect the radio wires together.Your local autoparts store or circuit city or best buy or audio express will have these radio conversion plugs.I hope I could help

Dec 24, 2009 | 2003 Ford Explorer

1 Answer

Need a compatible CD player for 1998 BMW 528i.

it should work as long as you buy the correct wire harness for your car go to an auto parts store and look for the harness for your make and model also if you want to get it proffesionally installed where ever you go should carry the harness so you shouldnt have to buy one if thats the path you choose

May 19, 2009 | 1998 BMW 5 Series

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