Question about 2000 Saturn L-Series
The HVAC blower became intermittent for about 15 minutes then just stopped working.
I've read the post at:
I pulled out the blower motor - measured well less than 1 Ohm across the blower contacts.
I measured the voltage across the wire harness connectors to the blower, but even with the switch turned on - I didn't see any voltage on several switch settings. Unfortunately I can't recall if I put the switch all the way to high or not.
Reconnected the wire harness to the blower and tried again - still no movement.
Pulled out the hvac console to clean the contacts on the fan speed switch - boy are those some pesky tabs to pry apart at times! Contacts on the switch didn't look bad, cleaned them a little they look fine now. Placed it back in the dash.
Still not working.
I've looked at the location of the 'resistor card' in the diagram, but I guess I'll have to see if look up underneath the passenger side will even allow me to see the resistor card screws (then I can consider what flex tool I'll need to buy to get them).
What measurements can I take to isolate the problem?
To the resistor card?
If the resistor card is bad you will only have setting 4 high on the blower and no other speeds, the resistor card is under the passenger side glove box by the center console way up there, i think its a phillips head,if i remeber right not too hard to get to,,, if no high speed then the fan motor is bad,thats under the wiper cowl under the hood,u gotta remove the wiper cowl to replace it
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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