Question about 2003 Chevrolet Impala

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Where is the main computer located on a 2003 chevy impala?

I've had major issues since someone switched my multi function switch. They spliced the wires cuz they didn't know it plugged in. Since then the hazard switch has burned wires, it blows the fuse everytime you turn on a blinker, so no blinkers, brake lights, no A/C except on high fan & it's not cooling. Also the info center lights in dash are acting crazy...coming on & off over & over. Please help me...it has been this way for about 6 months & nobody has been able to fix it. I'm about ready to let it roll off a cliff & die.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

germcelchar
  • 389 Answers

SOURCE: dash borad lights out

Were the fuses blown. If not it's the probably the bulb. If the fuses were blown check now to see if the new ones have blown again. If they have then their is a short in the wire. Let me know how far you have gone with the repair so I can direct you further.

Posted on Aug 24, 2009

Fixitman909
  • 430 Answers

SOURCE: Brake Lights and Hazard still dont work

TEST FRONT RIGHT BLINKER CIRCUIT AND REPLACE THE BULB,,WITH PROPER BULB...A DOUBLE CIRCUIT BULB IN A SINGLE SOCKET WILL DO THAT ALSO A SINGLE SOCKET BULB IN A DOUBLE SOCKET HOLDER....CHECK LEFT SIDE BULB FOR ACURANCY

Posted on Aug 30, 2009

  • 2 Answers

SOURCE: Blinker, cruise issues...electrical?

The problem is caused by the emergency flasher unit. This is a common problem and you can find a few youtube demos on replacing it. I did it in about 30 mins. I don't remember the cost but it was stocked at my local chevy dealership.
good luck.

Posted on Feb 14, 2012

ercupa190
  • 12223 Answers

SOURCE: how to fix blinkers, taillights and hazard on 97 chevy cavalier

please the diagram attached, use the VOM , and logic sense for troubleshooting.test the buse, loose wiring, corroded , dirty. open bulbs, contacts defective, dirty, corroed.
God bless you
7_9_2012_1_47_14_pm.jpg

Posted on Jul 09, 2012

  • 5252 Answers

SOURCE: I have a 1990 Chevy Suburban v1500. All lights work except for the Brake Lights and Turn Signals. The Blinker switch on steering column is broken, other than that everything is fine.

Yes, the brake light signal on American cars is routed through the turn signal switch. A new switch should restore both your turns and your brake lights.
American cars use the same bulb filament and same wire to the rears for both brakes and turns. Press the brakes when turning and both rear brakes will light, but since one side travels through the flasher relay, that side will blink, while the other side has a steady light.

Posted on Apr 06, 2013

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1 Answer

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2003 Chevy Impala periodically won't start


Try under the dash, attached to colum is a switch that the rod goes into from your ignition key switch, that may need to be adjusted tword your steering wheel just a touch, they go out of alignmnet from time to time

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1 Answer

2003 Impala headlights stopped working. I checked


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1 Answer

My brake lights wont come on on my 2003 chevy impala


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