How can I tell if programmer or the actuator is bad?
#1
How can I tell if programmer or the actuator is bad?
I am fighting a problem with my 94 Lesabre. Got new climate controller and have now determined the actuator for the air blend door is not working. Got juice to the actuator, 3 wires one is hot I assume other two go to programmer and or control switch. How can you tell if programmer or the actuator is bad, switch and replace or????
#2
Senior Member
If you replaced the controller and it still doesn't work I'm betting the actuator is bad. I believe all three wires go to the controller. If you can get to the two 5.5 millimeter bolts that hold the actuator in place I would take it loose and see if it moves when you control the *****. Also see if you can move the door with a pair of pliers it could be something inside the heater box that has jammed the door.
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Soft Ride (02-11-2014)
#3
Thanks guys. Went to local junk yard got actuator,HVAC contoller, and door switch for $5.85, had to pull them myself. Got them out of a 1993 Lesabre custom. Installed actuator and bingo that was it. I also pulled the ECM and PCM out of car at same time and got them both for $15.00 to keep as spares. For anyone in the Minneapolis area the place is next door to Johns Auto parts in Blaine, pull your own parts, great deals.
#4
Senior Member
Posts like a Turbo
I was having similar problems with my PA a while back. I don't know how many hours I spent testing wires and swapping parts trying to diagnose the problem. I finally broke down and took it to the dealer. In two minutes he had a read out that told him exactly what part was malfunctioning. In my case I should have went there first. It would have saved a ton of time.
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