The driver side heater lights come on at the switch, but the heaters do not work, it is a limited edition. where is the relay for this located? Thank You, Jim
When you press the heater for the driver's side seat no heat comes on, but it does work for the passenger side.
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Many seat heaters are either controlled by a fuse, switch and/ or relay. You may need to check whichever of those you may have the skill to do. If the LIGHT on the heater switch is working you can probably rule out those 3. Likely the 'heater elements' (usually thin wires than run under the seat's cover that heat up when voltage is applied, which then heats the seat) have a crack in them somewhere, which needs reconnected.
Also, does the power control work on the passenger seat? If not, it may share a circuit/fuse w/the heater switch.
If the front passenger's seat heater works and 7.5A fuse 4 in the driver's underdash fuse/relay box and 20A fuse 3 in the passenger's underdash fuse/relay box are OK, the problem is in the driver's seat. The LO/HI switch could be defective or the seat and/or back heaters could be defective
According to the factory wiring diagram for a 2002 Honda Odyssey, the seat heater switch hi/low indicator lights won't light up unless the seat heater relay is good. The seat heaters have thermostats and circuit breakers that limit power to the seat heaters under the following conditions:
Thermostats: On below 93F and off above 109F
Circuit breakers: On below 86F and off above 122F
The breakers operate in series with the thermostats and serve as backups to faulty thermostats.
the switch works the relay, the relay powers the heater, being a 12volt heating element, it's bound to have a good size wire going to it, make sure the wire feeding that relay is hot, it will be a larger inline fuse or a fusable link,it will come off a main power source,I.E. the starter or something like that, the small fuse you replaced is for the relay curcuit,good luck
There should be a fuse or relay for both under the hood. Usually in a black plastic box located on the left side of the engine compartment on or near the fender well. Remove the cover from the box and check the appropriate relay or fuse. There should be a diagram of the fuses and relays in the top cover.
I have found that is the grid fails the light will not light, it is not just a switch, it also has a timer circuit in it, when the grid burns out it will in most cases short out, this destroys the switch module, so both will have to be replaced to correct your problem. I base this diagnosis on 30 years of new car dealer work as a technician.
sounds like a bad relay. Look in the owners manual or on the fusebox cover. It will not be a fuse, but a silvery looking box that pulls out. Youll have to check the documentation to see which one it is in your vehicle.
Sometimes it is under the seat in a Volvo.
check the relay under the seat, make sure it hasn't worked its way loose. if its still tight, the heater pad itself has probably checked out.
If its not the relay, and you want to save some $$, replace the drivers side with the P/S. 'F' the passenger :)
Ok it is obvious since the light is coming on you are getting power to the switch. It could be a heated seat relay. Im fairly sure jeeps use a relay after the switch that is where I would start. Check and see if the Heated seat relay, and fuse are good