2006 Jeep Grand Cherokee, Blower Only Works On High

This 2006 Jeep Grand Cherokee Laredo came in with the complaint that the blower will only work on high speed. The blower resistor is located behind the glove box area. I started by removing the two 7 mm screws that attached the lower hush panel to the bottom of the dash. With the two screws … Continue reading “2006 Jeep Grand Cherokee, Blower Only Works On High”

1995 Ford Explorer, Blower Will Not Turn Off.

This 1995 Ford explorer came in with the complaint that the blower motor stays on even with the key off.  The customer had already figured out that the blower fuse could be removed to stop the blower from operating with the key off. The blower speed controller is located under the hood and below the … Continue reading “1995 Ford Explorer, Blower Will Not Turn Off.”

1994 Subaru Legacy, Blower Does Not Work

This 1994 Subaru Legacy came in with the complaint that the blower does not work at all. I checked for power at the fuses and battery power was present. I went to the blower motor and checked for power on the black/red wire and it was not present. I started looking for the blower relay. … Continue reading “1994 Subaru Legacy, Blower Does Not Work”

2004 Chevrolet Trailblazer, Identifying Heater A/C Actuators

This 2004 Chevrolet Trailblazer came in with the air flow stuck coming out of the defroster. I have already done a post on how to replace the faulty mode actuator, but I did not have a good enough picture to identify all of the actuators on the driver’s side of the dash. To see that … Continue reading “2004 Chevrolet Trailblazer, Identifying Heater A/C Actuators”

1998 Chevrolet C1500, Changing The Blower Motor

This 1998 Chevrolet C1500 came in with a no blower complaint. The starting place for testing is at the blower motor. The blower motor is located behind the passenger side of the dash and is accessed by removing the glove box. After opening the glove box there are two retainers that have to be dealt … Continue reading “1998 Chevrolet C1500, Changing The Blower Motor”

2002 Cadillac Deville, B0248 B0249, No A/C Mode Control

This 2002 Cadillac Deville came in with the complaint that the customer could not control  the air flow modes.  The control panel showed movement but the air flow was stuck on vent and the air flow was not very strong. A quick visual check of the mode actuator found that someone had unplugged it so … Continue reading “2002 Cadillac Deville, B0248 B0249, No A/C Mode Control”

2002 Chevrolet Trailblazer, Poor Heat, Clicking Sound Under Dash

This 2002 Chevrolet Trailblazer came in with a clicking sound under the driver’s side of the dash and erratic control of heat and a/c, hot and cold,  air from the driver’s side of the dash. To find the actual site of the clicking noise, I had to remove some of the underside of the dash. … Continue reading “2002 Chevrolet Trailblazer, Poor Heat, Clicking Sound Under Dash”

1997 GMC C1500 Pickup, No Blower Part 3

Last of a three part post on Chevrolet and GMC full sized truck and suv blower issues. The best place to start testing is at the blower motor. Key on and blower set to high. Check for power on the purple wire and ground on the black wire. If power is missing on the purple … Continue reading “1997 GMC C1500 Pickup, No Blower Part 3”

1997 GMC C1500 Pickup, No Blower Part 2

Second part of a multi-part repair post on GM truck blower systems. The blower resistor and the blower relay are located on top of the heater case. Behind the glove box. After opening the glove box, there may be two retention systems present. Sometimes there are plastic cables that are attached to the sides of … Continue reading “1997 GMC C1500 Pickup, No Blower Part 2”

1997 GMC C1500 Pickup, No Blower Part 1

This 1997 GMC C1500 came in for some other a/c service and I asked the customer about the blower working. He said it worked fine and asked why I wanted to know. I told him of the endless requests that I get for information on the blower systems on these trucks and how I wanted … Continue reading “1997 GMC C1500 Pickup, No Blower Part 1”