Question about 2004 Chevrolet Silverado 2500HD

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Chevy Silverado Seat Heater not working

I have a 2003 C. Silverado 1500 HD with heated seats. The back warmer works but the seat warmer does not. The light for the seat warmer comes on but after a short period of time it cuts out without warming the seat. It appears that the seat would have a cut out if there is a short in it. How would I go about trouble shooting this one?

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  • adamboise Feb 06, 2009

    same problem but on a 06 silverado

  • truckerext Apr 28, 2009

    the heaters in the seat and the back are not working in my '03 silverado LT. I hear a "click" when I try it and the lights go on for a second but that's it. drivers side only, the rider's side is fine.



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  • Chevrolet Expert
  • 120 Answers

The most likely cause is the seat heater elements, they either have excessive resistance or are open - id recommended replacing both driver side element - upper and lower

Posted on Mar 07, 2015


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Posted on Jan 02, 2017

  • 783 Answers

SOURCE: car seat warmer

You should be able to move the seat forward to get to the wiring harness. The way the system works is power comes from heated seat module to the lower cushion on the WH/BU wire goes thru the element in the cushion and then comes out on the BU/WH wire and then goes thru the element in the seat back then out on WH/RD wire back to module. If it has an open circuit then no heat from either on cushion or seat back. You can check them with an ohm meter. Usually it is the element in the cushion that goes bad. You can get the element seperately but cover has to be removed to replace it.

Posted on Feb 18, 2009

  • 41 Answers

SOURCE: right front power seat not working, 2006 silverado 1500

could be under the steering columm or in glove box

Posted on May 25, 2009

  • 40 Answers

SOURCE: bucket seats with driver 1 and 2 memory and also seat warmer oh and the seat warmer does not work ever since.

Hi I'm not to clued up on 2004 silverado 1500 LT crew cab, obviously you'll check the fuse box & even replace the fuse wouldn't hurt giving it a try. Also try checking the electric motor for the seat. No cables lose or broken? Nothing jamming the seat? Is there any sound at all coming from the area where all the electrics are under the seat? Can you hear a motor straining?Just a few thoughts. Good luck

Posted on Jun 01, 2009

  • 432 Answers

SOURCE: Silveraldo seat heater comes on

Look under the seat. If you have power seats the wire for that will run right to the seat switch. The seat heat wire will run from the on/off switch to the heater element in the seat. It sounds like you need a new heater switch.
I hope this helps.

Posted on Aug 28, 2009

  • 1 Answer

SOURCE: seat warmer ford 500

2005 Ford 500 Limited can't start due to anti theft device, is there a reset I can hit

Posted on Jan 24, 2010

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I hope this helps.

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