Can a bad fan motor cause a breaker to blow?
CAUTION: If the fan fuse or fusible link is blown, or the breaker has been triggered, it is possible the fan motor itself may be bad and causing the fuses to blow. Replace the fuse or fusible link, or reset the breaker, and test the fan motor again. If the same problem appears and there’s no wire causing a short circuit, replace the fan motor.
Why is my blower motor resistor not working?
If there is power indicated on high blower speed, but not low or mid range, the problem is the blower resistor. Test for ground at the blower motor if there is power indicated at all ranges, but the motor does not function.
How to troubleshoot an electric cooling fan problem?
1.Has the Cooling Fan Actually Failed? 1 If the fan comes on when the AC is running at MAX, but doesn’t run when the engine is hot, check the temperature sensor… 2 If the fan fails to come on, first check for a fan blown fuse or triggered breaker. On older vehicle models, you may… More …
When to replace the blower motor control module?
Replace the blower motor control module if the vehicle experienced a blower motor control module failure in extremely cold ambient temperature conditions. Technicians are to replace the blower motor control module also called the Linear Power Module (LPM) with the P/N listed below.
What are the symptoms of a bad cooling fan relay?
1. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.
How much does a blower motor control processor cost?
Just as an FYI, the retail price of the blower motor control processor is $280.34. There are a few places online that rebuild these puppies. Search for “HVAC rebuilder.”
How does the processor work on a blower motor?
The processor is what lets you select and infinite range of blower speeds. In vehicles without climate control, you’ve only got three blower speeds and those are controlled by a blower motor relay.