A/C blower fan won?t turn off
 

Drove home from a car show last weekend and when I got home and turned the engine off, I noticed the A/C - Heater fan was still running. Tuned the key back on and tried the controls on the dash, but made no difference. Turned ignition key off and removed key. Fan still running. Had to disconnect the battery.
Any advise on where to start looking. 1990. #2774

Cheers,
Russell 🇦🇺

Re: A/C blower fan won?t turn off
 

May be a bad blower control module. It's on top of the blower box on the passenger side. May also be the blower motor relay.

Re: A/C blower fan won?t turn off
 

Thanks CamP.
Got to start somewhere. Until l get it sorted, l will have to disconnect the battery each time l stop. PITA.
Cheers,
Russell 🇦🇺

Re: A/C blower fan won?t turn off
 

You can pull the power supply connector on top of the blower case. That's a lot easier than disconnecting the battery.

Re: A/C blower fan won?t turn off
 

or pull the fuse

Re: A/C blower fan won?t turn off
 

Derrr, l didn?t think about that. Simple solution until l get time to start searching for the problem. Thanks for that 👍

Re: A/C blower fan won?t turn off
 

Spot on!
:cheers:
Marty

Re: A/C blower fan won?t turn off
 

The ac fuse may not stop the blower. The blower is wired directly to the battery through a fusible link. The power feed to the blower control module is always hot.

A/C blower fan won?t turn off
 

Same thing just happened to me yesterday when going to a car show-man those things are hard on the cars! What was the fix here? Just getting ready to dig in today.


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Re: A/C blower fan won?t turn off
 

My 87 w/C68 did this. The blower motor control module fails in the "on" position and runs until the battery drains.

It looks like this; https://www.ebay.com/itm/19630392277...mis&media=COPY

The non-C68 cars have a Blower Motor Resistor which looks very different.