My heated seats wont work. i have replaced the switch (the new switch does not light up either). i have also checked the fuses and they are both good.
I had this problem, but only on the driver's side (with leather seats). Sometimes the switch would come on, but I could not get it to go back off (and the seat would not heat).
I ended up removing the drivers front seat cover (only the bottom part), folding it back from the driver's door to the middle of the car. You also have to unplug the wiring harness underneath the seat. I found a black spot burned in the foam. This is where a wire had broken. I carefully pulled the wire together, then soldered it. I put everything back together, and it has been working ever since (about 6 months - and getting lots of use in the middle of the winter).
I think the only way to replace the heated seat wires is to replace the whole seat cover. I was glad I could fix mine by soldering it.
I had the exact same problem and I did the same thing to solve the problem. I pulled back the leather seat bottom. and found a broken red wire. I stripped both ends aboot a quarter inch and used a small marr connector to twist the wires together. problem fixed and it worked fine ever since.
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Fuses and relay are ok can hear switch click but nothing happens wiring looks fine what should I check next
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