Rear Defrost shuts off after 2 minutes
11-05-2008, 10:54 AM
#1
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Rear Defrost shuts off after 2 minutes I've been having this problem for several days now and it's getting annoying...my rear defrost is not staying on. I'll hit the switch, and the light comes on and it will defrost for about 2 minutes or so, and then just shut off. I can hit the switch and I hear a click, but nothing happens. Light doesn't come back on, and it doesn't defrost. If I wait 15 minutes or so, it works like normal again, and then shuts off after 2 minutes or so. What's going on here? I know these things are supposed to have an auto-shutoff after a few minutes, but this is ridiculous.
11-05-2008, 11:44 AM
#2
TECH Senior Member
Defog/seats circuit breaker is weak or going bad. When it doesn't work try your power seat to see if it's off too. Some people put a fuse of the same amperage in it's place, but I'd replace the breaker.
11-05-2008, 12:04 PM
#3
I've been having this problem for several days now and it's getting annoying...my rear defrost is not staying on. I'll hit the switch, and the light comes on and it will defrost for about 2 minutes or so, and then just shut off. I can hit the switch and I hear a click, but nothing happens. Light doesn't come back on, and it doesn't defrost. If I wait 15 minutes or so, it works like normal again, and then shuts off after 2 minutes or so. What's going on here? I know these things are supposed to have an auto-shutoff after a few minutes, but this is ridiculous.
11-05-2008, 01:04 PM
#5
I had this issue where the defrost only worked for a minute at a time. Eventually I found out that my power seat stopped working, also.
That was a dead giveaway that it was a fault and not the defrost timing out!
Replace that breaker!
What I did with mine was I popped the metal cover off the breaker and depressed/bent the contact and it started to work better. It was a free fix.
11-05-2008, 02:05 PM
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Awesome, sounds like it's gonna be a simple breaker problem, which is much better than replacing the hvac control unit. Now here's my dumb question...where can I find this breaker and what does it look like?
11-05-2008, 02:42 PM
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mine does the same. but my cut out is on the same circuit.
open the drivers door, on the side of the dash there is the fuse panel. look on the back of the cover and it will have a lay out of what fuse/breaker is to what. get one from a dealer or autoparts store
open the drivers door, on the side of the dash there is the fuse panel. look on the back of the cover and it will have a lay out of what fuse/breaker is to what. get one from a dealer or autoparts store
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11-05-2008, 07:02 PM
#8
TECH Fanatic
Hope that works. Looks like you already know that if it is your defog switch going bad you have to replace the HVAC unit. It's not hard, just more expensive.
