1992 Ford F-150 Q&A
1992 Ford F-150 Question: Heater Blower
All of a sudden I can't get my blower to work at any speed, any temp, or any position. I replaced the blow motor resistor, but still nothing! I changed the fuse, and all hoses from heater core are hot as well. What could the problem be now? Is it the motor itself or maybe just the switch? - shane6263
Could be the blower itself, but pull apart that plug to the resistor again and have a close look. Any damage or burn marks on the terminals or connector? Often times the connector is damaged. - DaveJHM
Heater Blower runs only at low unpluged the blower ran direct off battery and it ran on full sp...
The other day I started the truck and as it started the heater kicked on for just a second and then stopped. Heat still comes out very...very lightly, enough to keep the truck worm once it gets hot...