Heated seats will not come on, light on button to turn seats on does not light up. We installed a new battery recently but doubt that has anything to do with it. The A/C seats do not work either. I was thinking fuse but fuse panel not labeled.
Re: heated seats in my 2004 navigator are not working
If the light doesnt come on for the heated seat, *sometimes* the electronics need to be reset. You do this by very carefully taking both battery poles off the battery entirely. Then touching the negative to the positive WHILE NEITHER IS TOUCHING THE BATTERY (this is very important otherwise you could get shocked). This will clear computer and reset it. Then reconnect the positive first. then the negative. this will sometimes work. This is only if the light for the heated seats is not coming on. If the light is coming on you probably need a new heater core.
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Usually in most cases when the heated seats quit working its the heated seat element that you sit on under the padding. Here's what I want you to do: Turn the key on then push the heated seat on button and see if it lights up. This is a quick test but not always an accurate test because the switch could still be working but the LED Light could be bad. BUT, in most cases this is a good test. If it lights up then its safe to say that its mostly likely the ELEMENT that's bad. Most of the time if you'll raise the seat cover you'll see that the element is burnt. Hope this helps and have an awesome day.
I looked in mitchell service information, what engine? 4.2L 6cyl, or the 5.3L v8? Mitchell shows a fuse box under the hood, and an addittional fuse box located beneath the 2nd row seats. I could not find a fuse that is dedicated to the heated seat function.
Mine did that forever, but started working after the instrument cluster was replaced. It started to show 100 mph in a parking lot. Dealer replaced it for free, and now every little quirk seems to have disappeared, including the heated seats. They are very nice lately. Damn cold here.
See GM TSB 05-08-143-001, If you have Adjustable pedals, especially if they dont; 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.
the fuse is #110, it is in the power distribution box under the hood, it also runs the moon roof, so if the moon roof works the fuse is good, if this is the case the heated seat switch is the likely cause and by far the most common..