Question about 2003 Chevrolet TrailBlazer

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I have a 03 trailblazer was told the BCM was bad went to junk yard and got BCM color on this BCM is different mine is red the junkyard is blue are they compatible?

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Light keep going out during the night when I driven Bad B C M

Posted on May 26, 2012

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Posted on Jan 02, 2017

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SOURCE: my horn blows by it

the horn will only blow when it gets power to it so changing the horn won't solve the problem, you will have to find out why the power is getting to it,there could be a problem with the horn button or a bare wire somewhere that is shorting out & causing this to happen.....hope this helps......cheers.

Posted on Sep 23, 2011

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SOURCE: I have a 2000 chevy cavalier with a all lights on

I have the same problem how would I fix it

Posted on Feb 01, 2012

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What color wires control the rear latch/door sensor on an '03 matrix?


Those wires go back and forth from + to -. It is a DC motor. You have the ohm test the switch and motor. If they work, then you have to work your way threw the wires, back to the BCM. The BCM is what controls the system.

Dec 28, 2014 | Cars & Trucks

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My rear end went out in my 99 gmc sierra. And i can not find the part at the junkyard i went to 3 different junkyard


when in trouble replace the whole diff housing for the new 14 bolt diff. from the wreckers.

Mar 24, 2013 | Cars & Trucks

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Were do i find a new hood for a 1996 dodge intreprid?


For that year auto i would check your local salvage dealers and junk yards often you can even request a color that even matches your own as well. And seek out a salvage hotline which has access to other junk yards then you can request your hood in blue red or what have you and it can be shipped directly to your front door. Remember to rate my solution Thanks in advance.

Aug 31, 2012 | 1996 Dodge Intrepid

2 Answers

I need to replace a broken mirror on the passenger side sun visor. Where can I get the part from and how is this best done?


I would try your local salvage yard. A brand new one from Toyota would be very expensive. Salvage yards usually have a good selection of colors to match your cars interior color AND they can probably tell you how to remove your old one.
Good Luck.

Jan 03, 2011 | 2003 Toyota Corolla

1 Answer

Headlight swich for 03 chevy trailblazer?


yes sounds like the switch went bad or haves a short in the wiring

May 05, 2010 | 2003 Chevrolet TrailBlazer

2 Answers

Where do i start with the electrical problems on my 2003 tiburon. My parking lights started to just stay on or flicker on and off killing my battery, to where i had to start leaving them on permanately to...


I've had my '03 Tib's BCM replaced 3 times now. If you have the chip-in-key factory security feature, you can't use a second-hand BCM because it's programmed to your specific key.

I'm not aware of any cases where the BCM caused the speakers to crackle, but the parking light thing definitely sounds like the BCM.

Jan 18, 2010 | 2003 Hyundai Tiburon

1 Answer

Truck died while driving - i have changed the distributor cap and it still has no spark


your ignition module is probably bad its on the fender with two pigtail wire harnesses.you can get one from the junk yard,make sure it is the same color.this can be seen on the bottom where the wire come out at.it can be blue,red brown green,you get it.

Jul 23, 2009 | 1995 Ford Bronco

1 Answer

It wont shift out of second gear.


If it has alot of miles on the trans its possible the sun gear is shot. It will work in 1st and 2nd but forget the rest. Get a trans out of a junk yard my truck had that problem and it was the sun gear. That's what the trans guy told me so I got a trans with about 40,000 on it since mine had 180,000 on it when it went.

Apr 24, 2009 | 1997 Dodge Ram 1500 Club Cab

1 Answer

Rear speakers stopped working


my speakers went out front and rear i was told by an audio tech. that the systems that chevrolet put in them each speaker has its own amp to bust the sound the only way to fix it is to replace them.
if you have a warranty chevrolet will replace them otherwise find a junk yard or new system. i ordered a set of used speakers off ebay havent installed yet.

Sep 01, 2008 | 2002 Chevrolet TrailBlazer

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