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

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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.

Posted on Apr 23, 2010


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1 Answer

We're the signal flasher on a 2003 Chevy Malibu voice recognition for 2003

Technically --you don't have a flasher.....The 4 way button on the dash is a combination turn/ hazard flasher.
take a look down this page for install with pics

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I have a 2003 1500 chevy silverado,when i put the left turn signal on the hazards come on, i have already replaced the whole directional cluster

So. with right turn signal everything works ok? There is the multifunction switch and the turn/hazard flasher module, I don't know what you replaced?

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The hazard lights im my 2003 chevy trailblazer stay on. Even though there not turned to on position

The turn/hazard flasher module is probably bad .
Removal Procedure
  1. Remove the left closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gages and Console.
  2. tif.gif
  3. Remove the flasher retaining bracket from the insulator panel.
  4. Disconnect the flasher from the electrical connector.
  5. Remove the flasher from the vehicle.
Turn Signal/Hazard Flasher Module
Behind the I/P near the headlamp switch

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My 2005 Chevy Avalanche has no brake lights

See if the turn signals work,and the flashers,the problem,is most likely in one of the flashers,they are stuck,the flasher.

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check the lil switch that'll be located on the latch anchor point or within a few inches of it.... odd is the switch is faulty

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Replace the hazard switch, It has the turn signal flasher built in to it.

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The combo turn signal/lights/cruise stalk (and anything else on there) is probably bad or rapidly headed that way. Not a cheap fix.

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