This 2003 Cadillac Deville DTS came in with the complaint that the blower motor does not work most of the time. Sometimes it will blow but it seems to blow slower than it should. Using a test light and a jumper wire, I connected one end of my test setup to the purple wire. Then … Continue reading “2003 Cadillac Deville, Blower Does Not Work”
This 1988 Cadillac Brougham came in with the complaint that the windshield wipers do not work. I have not worked on one of these in quite a while but I do remember the common problem with the rear wheel drive Cadillac wiper switches. I checked the feel of the switch and sure enough, it “felt” … Continue reading “1988 Cadillac Brougham, Windshield Wipers Do Not Work”
This 2001 Cadillac Deville came in with multiple complaints with the rear lighting. I will try to describe as much as possible. With the trunk open the license plate and trunk lights would glow. If the park lights were turned on the two previously mentioned lights would go out. If you click on the picture … Continue reading “2001 Cadillac DeVille, Multiple Rear Lighting Problems”
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”
This 2004 Cadillac CTS came in with the complaint that the driver’s window is down and will not go back up and stay there. The owner said she heard a pop and the window went down. Sounds like the power window regulator broke. I started by removing the manual door lock button. With the button … Continue reading “2004 Cadillac CTS Power Window Inop, Fell Down”
This 1997 Cadillac Deville came in with the complaint that the idle speed would sometimes be okay but most of the time as the engine warmed up it would get progressively higher and higher until the engine would run at about 3000 rpms on its own with no throttle input. The following picture shows the … Continue reading “1997 Cadillac Deville, Erratic / High Idle, Code P0507”
This 2003 Cadillac STS came in with battery issues and this is what I found under the back seat where the battery is located. That is a lot of corrosion from a leaking battery. A battery needs to be looked at on a semi regular basis and inspected for corrosion, loose connections, loose mounts and … Continue reading “2003 Cadillac STS Battery Tray Corrosion”
This 2004 Cadillac CTS came in with the complaint of no stoplights. I decided to start by checking the bulbs. To do this I first had to remove the black plastic nuts that also serve as hooks for the cargo net. After the nuts were removed I pulled the trim panel up that goes across … Continue reading “2004 Cadillac CTS No Stoplights”
This 1992 Cadillac Deville came in with no blower operation. I checked at the blower motor which is on the right side of the picture behind the bar that goes between the two front strut towers. No power was present with the key on and blower set to high. The blower power module is behind … Continue reading “1992 Cadillac Deville, Blower Inop”
This 1985 Cadillac Fleetwood Brougham came in with the complaint that the air conditioning compressor would not turn on and the weather is starting to heat up. I checked the refrigerant level and found it low but not low enough to cause the compressor to not engage. I have been down this road many times … Continue reading “1985 Cadillac Fleetwood Brougham, A/C Compressor Does Not Come On”