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Thread: Thought this was odd.
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06-30-2009, 05:42 AM #1
Thought this was odd.
Ive noticed over the past several months that a blower fan kicks on and off in my 99 TA even when the car hasnt moved for days. At first I thought it was the cooling fan but I sat and waited for it one day while washing her and I discovered its the heater/air conditioning fan thats up in the dash. It comes on for 2-3 seconds and goes off. As I said this is even when the car hasnt been moved. I first noticed it last winter when it was parked in the garage. Has anyone else experienced this? Anyone know what could be wrong?
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06-30-2009, 08:29 AM #2
Keeps it from stinking up inside? That is weird, idk if mine does it hmmmm
Does it kill your battery?
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06-30-2009, 12:03 PM #3
- Join Date
- Jan 2006
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- Shepherd, Michigan
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blacker than wesleysnipes- 98' trans am
something funky with your hvac system i would guess
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06-30-2009, 12:40 PM #4
My battery did die this spring but it was old so I dont know if that killed it or not. Since I put the new battery in its been fine. Couple months now.
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06-30-2009, 01:11 PM #5
Sounds like something wrong if it dosen't stay on for longer than that. Some people wire up a thermo to a relay to vent the car of heat. could be a bad ground but I don't have a wire diagram to look at how the circuits are designed.
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07-28-2009, 03:10 PM #6
I think my car has an electronic evaporator on it. I found out you install these to help keep the ac dry so it doesnt grow mold and stink. Itll cause the blower to come on.
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07-28-2009, 04:51 PM #7
- Join Date
- Apr 2008
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- Madison, WI
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- 7,006
1999 Formula WS6 M6-sold- 2001 Silverado Z71
Yeah its called an afterblow module. I've installed a few of these. It runs the blower like you described to dry out the heater/evap case to prevent the musty odors caused by mold/mildew.
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