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Not sure whats broken. If it just does not work anymore but is still in one piece then it may have a dead battery or lost programming. Either way you will have to get it reprogramed. The dealer or a friend whos a mechanic can do it. If it is NOT an OEM (original equipment manufacture) remote you will have to get with a company who services it. And they are called "key fob's". If the Fob's are working but the door does not lock or unlock it could be a bad actuator or a bad relay or blown fuse. If these terms are foreign sounding to you then I would suggest seeking a professional mechanic.
What else can I help you with?
What size tires go on a 2003 Chevy Trailblazer EXT?
245/70/16 www.trailvoy.com Trailblazer enthusiasts forum!
How much horsepower does a stock 2003 Chevy Trailblazer have?
Standard 4.2L had 275 hp. A Trailblazer EXT had a optional 5.3L which had 290 hp.
What's the difference between 2005 trailblazer ext and 2005 trailblazer?
The EXT is longer and has a 3rd row
What color should be used on a 2003 Chevy trailblazer ext 4.2 engine?
Any colour you wish.
Is the trailblazer ls smaller then the trailblazer lt?
no, but the trailblazer ext is bigger than the regular trailblazer
2003 trailblazer making whistling noise toward center of engine?
it could be the idler puller rubbing on the bearings. we had to replace it on our 2006 Chevy trailblazer ext.
What is the clicking noise coming from the right rear panel of a 2003 Chevy Trailblazer EXT?
heat/ac actuator
What causes the radio to cut out in a 2003 Trailblazer LT-EXT?
Your 2003 Chevrolet trailblazer radio probably cut though because of a loose or corroded ground wire. The positive wire may also be loose.
Where is the rear blower motor resistor location for a 2003 Chevy trial blazer ext LT?
The rear blower motor resistor location for a 2003 Chevy Trailblazer Ext LT is beneath the passenger side of the dash.
Why would 7 stop lamp fuses blow in a week on a 2003 trailblazer ext?
Because there is a known issue with the brake lamps on the 2003 Trailblazer. I own a 2003 Trailblazer and had to take it in for service on a recall due to the issue. Take it to your Chevy dealer and have them check the VIN to see if the recall was ever done.
What does ext stand for on Chevy Trailblazer?
pie
What type of transmission fluid does a 2003 Chevy trailblazer EXT need and how much will it take?
Dexron III Automatic Transmission Fluid
