Question about 2003 Chevrolet TrailBlazer

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I changed out my battery, but now my windows, a/c and radio aren't working.

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WHATS WRONG WHEN MY 2003 TRAILBLAZER TURN OFF WHEN I TURN THE AC ON WHAT COULD THAT BE?

Posted on Jul 21, 2010

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Its possible that you have activated the THEFT System, in the 2003-Chevrolet-Trailblazer Owners Manual, check the procedure to disarm.

Hope help to solve it.

Posted on Jul 19, 2010

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Charged battery no windows won't go up or down

Posted on Feb 16, 2011

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Related Questions:

1 Answer

Windows and inertior lights aren,t working


Take both battery cables off and touch them together for about fifteen seconds. Put them back on the battery and try your window switch. This worked on my 2000 Grand Cherokee. This was information given to me by my mechanic when he was to busy to get me in right away.

Mar 17, 2013 | 2004 Jeep Grand Cherokee

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Battery wont stay change


have u test the battery and the alternator?

Dec 13, 2012 | 2004 Ford F150

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99 malibu inop radio fix


Stock radios have 2 fuses that run them.

Fuse 1 is usually labeled as Radio in the fuse box.

The 2nd fuse shares circuits with other devices that are powered straight off of the battery, so look and see if your dome light works, and your cigarette lighter. If either of those aren't working, check the fuse for that item. Cigarette lighters are usually listed as Cigar in the fuse box, and dome light is usually CTSY or Courtesy.

Jun 05, 2012 | Cars & Trucks

1 Answer

My battery went totally dead,and after we replaced it the radio wont turn on. There aren't any numbers showing on it at all.


the radio may have a security code in it so if it is stolen it will not work you will have to either check your users hand book or talk to the dealer to find out the code in the radio & reset it, once the power is disconnected from a radio that has a security code activated it will not work until it is recoded.....hope this helps.....cheers.

Jun 17, 2011 | 2005 Pontiac G6

1 Answer

Change alternator, now when truck running... change alternator, now when truck running the radio,wiper,power window dont work.note... Awaiting solutions Ask an Expert


well assuming you disconnected the battery when you changed the alternator then you may have had a bad secondary power wire.

assuming you did not disconnect the battery, then you may have caused a spike which killed part of your CJB...(central juntion box)...aka fuse box because the radio, wipers and windows do not share any common fuse

one further possibility could be use shorted your accessory delay relay

Apr 04, 2010 | 1999 Ford F150 Regular Cab

2 Answers

Just changed battery and now radio and remote won't work.


when changing your battery your radio will go into lock mode you need the code to unlock it

Jan 23, 2010 | 2005 Chrysler Sebring Conv

1 Answer

Same issue no radio,windows, locks but dash board electric works


Try unhooking the battery, turn key on, leave door open, then connect battery, start engine immediately. The battery saver module thinks it's saving your power!!

Jul 19, 2009 | 2004 Chevrolet TrailBlazer

2 Answers

Changed my battery.


This may sound silly but place the actual key in the drivers door and cycle locked and unlock this should reset the security system.

Jan 30, 2009 | 2004 Suzuki Verona

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