1991 Toyota Pickup "heater fan relay switch 1990" Questions

...heater motor will run if hooked to a direct power source. The fan switch itself is a possibility, but there is also a resistor pack behind the glove compartment. Hi speed doesn't use the resistors, ...

heater fan and wipers fail to work at the same time, why is this sometimes the heater fan and the wipers fail to switch on. is there one relay for both? Sounds like a connection issue, either with the

...chances are it is the relay but I always like to take a volt/ amp reading to double check my work. Dan replace heater module My 1990 Oldsmobile heater fan will not turn of when I turn the car

...Heater blower fan? First check the relay. It is behind where you fill the washer fluid. take the black cowling off then remove the washer tank and there it is. We changed the fan (major undertaking) ...

...Fan blower on 1990 Mercedes 300sel will work when removed from the vehicle. Installed it apparently is getting no voltage. Suspect relay but I have not yet got my hands on a wiring diagram. Any ...

...heater blower motor only comes on sometimes, and lately coming on less snd less. Do you know it could be? The motor itself, a relay switch ? Is there a blower fan relay? replace the relay first if ...

...& now my heater won't go on some say it's the fan relay but i got no current whatsoever. You have no heat or no fan? If its the fan check the fuse. If fuse is good more then likely its the

Fan relay switch checks okay, so trying to find temp. switch that it goes to...... relay is attached to heater box under dash on passenger side under plastic cover,first remove vacuum motor (diaphragm

...heater fan does not work at all and when you press it over to high the relay switch by the heater makes a loud buzzing sound. Thanks Could be the blower motor.  Someone would need to check for ...

heater fan quit working 1990 lincoln town car it doesnt run at all check the fuse have the relay switch checked, and the resisror block