Most likely is a short in the wiring from your heating/cooling/vent controls to the blower motor, or simply the blower is going bad.
Not knowing what year, make and model you have, I would suspect the heater fan switch and or electrical plug to the switch is at fault.
I have a 1996 Astro van and I'm having trouble too. My fan motor sticks. It has for a while. Its not the heater but the fan that has draged. I can get out and pound on the casing, and sometimes it starts up.
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.
Remove the wiring harness from the back of your 1994 Chevy heater fan motor. Remove the heater fan motor retaining bolts. Remove the fan from the front of the heater motor. Reverse the process to install the new heater fan motor.
The fan has a rated load of 2 kW. It is this wattage times the amount of hours the fan is used times the cost of a kWh in your area that the cost is based on.
form_title=Bath Exhaust Fan Repair form_header=6933 What would be a good description for the problems with bathroom exhaust fan?*= [] No power to fixture [] Not exhausting air properly [] Tripping circuit breaker/short [] Heater element not functioning [] Unnecessary noise or vibration [] Exhaust ducting is dislocated [] Other What is the type of bath exhaust fan in need of repair?*= () "Standard exhaust fan () Combination fan and heater () Combination fan and light () Combination fan, heater and light () Other () Don't Know"
Remove the wiring harness from the back of your heater fan motor. Remove the heater fan motor retaining bolts. Remove the fan from the front of the heater motor. Reverse the process to install your new heater motor.
A ceiling fan heater is a type of heater which works in the same way as a standard ceiling fan, but with a heating component. A person may want to use this type of heater if the room does not have access to central heat or any other heat source. An individual may also want to use this type of heater if there is not enough floor space for a standard room heater.
engine fan or heater blower fan?
you need a new heater fan its burnt out
Why does your ac and heater fan turn off and on
The 2007 Toyota Camry heater fan fuse can be found in the fuse box. The heater fan fuse will be at the bottom of the first column.