How do I know if my blower motor switch is bad?

1. Switch only works on certain settings. One of the first symptoms commonly associated with a bad or failing blower motor switch is a switch that only works on certain settings.
2. Switch is stuck. Another symptom of a bad or failing blower motor switch is a switch that is stuck, or frequently gets stuck.
3. Broken knob.

Where is the blower motor relay located on a 2005 Chevy Silverado?

The 2005 Chevy silverado cooling fan relay is located in the underhood fuse box in the engine compartment. The relays may be mounted above the rear curve of the driver side inner fender where rust holes commonly develop. The relay junction box has a open bottom and completely exposed to water and road debris.

Can you reset a blower motor?

Locate the reset button on the furnace and press it to reset the furnace. It is usually located inside the blower compartment on the side of the blower motor. Be cautious as the housing may be hot. If the button is popped up, press it down.

What kind of blower problems does a 2005 Chevy Silverado have?

2005 Chevrolet Silverado Blower Inop This is a very common problem on 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007 Chevrolet Silverado and GMC Sierra trucks. Over a period of time the resistor and usually the connector overheat and blower operation stops in some or all speeds.

Where is the blower resistor located on a Chevy Silverado?

This is a very common problem on 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007 Chevrolet Silverado and GMC Sierra trucks. Over a period of time the resistor and usually the connector overheat and blower operation stops in some or all speeds. The blower resistor is located on the passenger side of the vehicle behind the glove box.

How do I know if my Chevy Silverado GMT800 blower motor is bad?

This article applies to the Chevrolet Silverado GMT800 (1999-2006). There are several signs that you can look for to tell if your blower motor might be on its way out—for instance, if your HVAC blower does not operate at different speed settings or doesn’t work at all, that could be a sign the motor is on its way out.

What to do if your blower motor is not working?

The bulletin affects the following vehicles: If you own one of the vehicles listed above and notice that the blower motor doesn’t work when you start the engine, or the blower motor won’t change speeds, do NOT replace the blower motor, switches or resistor. This is a software issue that can lock up the HVAC control head if you follow this routine: