So, a purchased a project 2000 XJ. I thought all my issues were mechanical but I found a new one recently. I’ve been troubleshooting but, right now, I’m out of ideas.
When I turn the key to the on position, the blower comes one, even when the blower is turned off at the switch. The fan speed selector does nothing but the blend settings on the switch do seem to work as expected. Here’s what I’ve done to date:
- tested the blower relay - seems to be okay
- pulled the blower HVAC controls and inspected the back - everything looks normal
- unplugged the speed control switch - looks okay but doesn’t change anything
- unplugged the blower resistor - no change
- tested continuity across all pins on the resistor (1 to 2, 2 to 3, etc) - continuity on all pins
What the heck!!! I’m out of ideas. At this point I think it has to be the resistor but it seems to be testing okay (it does look to be original).
Some other items:
I just replaced the steering column (vehicle was a theft recovery).
When I first got the vehicle, the blower worked fine but when I turned it on, the radio would go off. Then, one day, I had the radio on and all of a sudden, the radio went off and now the blower is on constantly. I’ve removed the radio to eliminate that as a contributor.
I’m really hoping one of you guys have some ideas because I’m out of them.
Thanks for the help.
Sent from my iPhone using Tapatalk
When I turn the key to the on position, the blower comes one, even when the blower is turned off at the switch. The fan speed selector does nothing but the blend settings on the switch do seem to work as expected. Here’s what I’ve done to date:
- tested the blower relay - seems to be okay
- pulled the blower HVAC controls and inspected the back - everything looks normal
- unplugged the speed control switch - looks okay but doesn’t change anything
- unplugged the blower resistor - no change
- tested continuity across all pins on the resistor (1 to 2, 2 to 3, etc) - continuity on all pins
What the heck!!! I’m out of ideas. At this point I think it has to be the resistor but it seems to be testing okay (it does look to be original).
Some other items:
I just replaced the steering column (vehicle was a theft recovery).
When I first got the vehicle, the blower worked fine but when I turned it on, the radio would go off. Then, one day, I had the radio on and all of a sudden, the radio went off and now the blower is on constantly. I’ve removed the radio to eliminate that as a contributor.
I’m really hoping one of you guys have some ideas because I’m out of them.
Thanks for the help.
Sent from my iPhone using Tapatalk