| Condition | Possible Cause | Action |
|---|---|---|
|
Heater blower won’t work even when its switch is ON
|
Blower fuse blown
|
Replace fuse to check for short.
|
|
Blower resistor faulty
|
Check resistor.
|
|
|
Blower fan switch faulty
|
Check blower fan switch.
|
|
|
Blower motor faulty
|
Replace motor.
|
|
|
Wiring or grounding faulty
|
Repair as necessary.
|