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@RCP - Let me rephrase my earlier comments. I have the Chrysler FSM but I’m struggling to following to wiring schematic (definitely not my strength). From my perspective, it seems that something has to be energizing the blower relay, even when the switch is off. As I read the schematic, I’m...

@lawsoncl - Yes, if I unplug the fan speed switch and the heater selector (cold/hot), the blower still runs. I have not disconnected the vacuum lines from the blend switch (middle dial) Sent from my iPad using Tapatalk

@lawsoncl - Good info on the vacuum lines. I wasn’t sure exactly how the “off” setting worked on the blend switch. When I pulled the HVAC controls/radio/glovebox, everything looks unmolested. So I’m thinking that this vehicle didn’t have a lot of science experiments going on. @blu3fan -...

I have the service manual. It’s been helpful but hasn’t provided any insight into this issue. Sent from my iPhone using Tapatalk

Been doing some more reading. It seems that the center switch (off & blend settings) are vacuum controlled. Could I have an issue where it’s not getting the right vacuum settings to turn off? That wouldn’t explain why the fan speed switch isn’t working though and all the blend settings seem...

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...