Pull the plug under the seat or disconnect the switch
Look under the seat, you should find electrical connectors. One will be for the heater, the other for the power seats. I don't think it's all one connector, but if it is, the power seat will not work.
Under the seat there is a clip that connects to the heater pull it out it is a locking type clip need a flat head screw driver
SOURCE: 03 chevy tahoe
There are seperate blowers for the front and rear air. It is most likely either your blower motor or the resistor, both located under the passenger side dash. I got a blower from a salvage yard for $25, But ended up having to get the resister from the dealership for about $130. Hope this helps.
SOURCE: passenger seat heater not working in my 2003 volkswagen jetta
There are different fuses. check your fuses properly.
rate this fixya
SOURCE: Driver's side seat heater isn't working. When I
Hi, this might help you:
Try to check the fuses.
I hope this is useful, and greets.
SOURCE: Our Driver Seat Heaters and passenger seat will turn on for 2 sec
When this was happening on my Envoy it ended up being the seat heaters control module that was going out. About $600 a seat on mine. Just wish my repair center found that out before they replaced the seat heaters twice.
SOURCE: heated seats
See GM TSB 05-08-143-001, If you have Adjustable pedals, especially if they don't work with the memeory buttons, but function with thier own buttons. Its the Brake Pedal Position Sensor is shorted and mesing up the seat module which controls the heaters too. My 05 Suburban had the same issue
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