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The heater fan relay switch can be found on the firewall in the engine compartment. The relay switch will be on the passenger side of the firewall.
The 2002 Chevrolet trailblazer heater fan relay switch is located behind the dashboard. The relay switch will be on the drivers side of the vehicle.
If you don't have power to your heater or ac fan, it could be a fuse or a relay. You should check your owner's manual to determine which fuse or relay affects your fan.
were is the heater relay on1996 jimmy?
Under hood fuse panel box. It is labled "Cooling Fan". To easily check it,swap it out with the "heater blower fan" relay and see if the heater blower works. Both relay's are made the same.
Fan (heater/air conditioning) relay switch
Could be a Faulty relay.
Fuse-switch-bad connection-blower relay-fan motor. I would check the fuse then look at the blower relay. they go out quite offen on Dodges
Your relay has melded itself. Which means that there is a direct current at all times going to the heater fan motor. Remove the existing relay and replace with a new one.
The heater/AC fan has no relay just a switch. The Radiator fan relay is mounted next to the battery. It has 2 plugs and starts based on radiator temp and AC pressure.
Swap the fan relay with another like relay.
The Condenser Fan Relay and the A/C Cut Relay on a Kia Sportage are located together under the dashboard on the passenger side of the vehicle. They are just aft of the heater blower motor. The Comndenser Fan Relay is the 20amp relay and the A/C Cut (compressor) relay is the 52amp relay.