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06-04-2018, 08:32 AM | #1 |
Scooby Newbie
Member#: 326345
Join Date: Jul 2012
Chapter/Region:
MAIC
Location: Lehigh Valley, PA
Vehicle:2012 5-Door Premium Ice Metallic Silver |
Baked plug
Pulled my radio this weekend and came across melted/burnt plug and back of my blower knob.
Anyone ever seen this?
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06-04-2018, 09:32 AM | #2 |
NASIOC Supporter
Member#: 30669
Join Date: Dec 2002
Chapter/Region:
Tri-State
Location: USA, North NJ, 07456
Vehicle:1998 Legacy 2.5GT Silver Sleeper BK, 5MT |
Not in a Subaru, but some GM's and Hyundais.
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06-04-2018, 02:24 PM | #3 |
Scooby Guru
Member#: 53443
Join Date: Jan 2004
Location: Anchorage, AK
Vehicle:2001 LL Bean Outback Winestone |
There have been some others here that have had the same issue. The trouble can be due a couple of things. Either the terminal connections were loose or the motor has a problem and is drawing too much current. I think normal current draw is around 7 amps on HIGH. Make sure that the current draw is within normal limits so another set of contacts doesn't get damaged.
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06-05-2018, 12:46 PM | #4 |
Scooby Specialist
Member#: 375462
Join Date: Dec 2013
Chapter/Region:
NWIC
Location: Portland, OR
Vehicle:2006 Impreza WRX STI WR Blue |
I've seen this on a few mid-2000s Subaru blower motor plugs before. Never really spent time trying to fix it - cause is excessive current draw and/or arcing on a loose/corroded connection, as Cougar4 said above.
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07-18-2018, 11:18 PM | #5 |
Scooby Newbie
Member#: 326345
Join Date: Jul 2012
Chapter/Region:
MAIC
Location: Lehigh Valley, PA
Vehicle:2012 5-Door Premium Ice Metallic Silver |
Thanks cougar. Will do. My blower motor is actually a dealer replaced one under warranty a few years back...so makes me suspicious. Thanks again
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07-19-2018, 04:08 AM | #6 |
Scooby Newbie
Member#: 3409
Join Date: Jan 2001
Chapter/Region:
NWIC
Location: Oly
Vehicle:98 My FMIC Is bigger than yours. |
I'd wager that female spade is loose, but that's just me. But yeah, I've seen it before.
You see it a lot on GM headlight connectors. |
07-19-2018, 09:43 AM | #7 |
Scooby Newbie
Member#: 326345
Join Date: Jul 2012
Chapter/Region:
MAIC
Location: Lehigh Valley, PA
Vehicle:2012 5-Door Premium Ice Metallic Silver |
It ended up dying on me 3 weeks ago completely. the speed 4 stopped working and then recirculate was doing some funky stuff. Found a replacement ac control at a local junk yard for $45 and got them to throw in the plugs
wired new harness plug and its working great. I planned on checking it in another month to see where we were at. I think there was definitely some arcing going on. The heat melted the insultation off the wire and caused some plastic burning smell toward the end, but the multi meter is an easy check as well for the 7amps. |
07-24-2022, 10:09 AM | #8 |
Scooby Newbie
Member#: 326345
Join Date: Jul 2012
Chapter/Region:
MAIC
Location: Lehigh Valley, PA
Vehicle:2012 5-Door Premium Ice Metallic Silver |
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07-24-2022, 04:20 PM | #9 |
Scooby Guru
Member#: 53443
Join Date: Jan 2004
Location: Anchorage, AK
Vehicle:2001 LL Bean Outback Winestone |
Sorry to hear you are having the same trouble again. The problem may be with the blower motor itself. It may be drawing more current than it should be normally. You should have the current draw checked for the motor. If the current draw of the motor is normal you could add a relay circuit that would bypass the motor current through the switch. The switch would then just activate the relay coil, which draws very little current. The added relay contacts would handle the motor current.
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07-25-2022, 12:41 PM | #10 |
Scooby Newbie
Member#: 326345
Join Date: Jul 2012
Chapter/Region:
MAIC
Location: Lehigh Valley, PA
Vehicle:2012 5-Door Premium Ice Metallic Silver |
Thanks Cougar4 - I'll likely multimeter is next weekend. Ultimately, the fan motor/fan died this past winter - so new (OEM) fan motor in there that may or may not cause a problem. That said, my current fan switch died because it got stuck on fan 4 - so thinking it was enough current/arching to fuse into a specific spot on the resistance dial on my last use - I had to forcefully turn it down and then couldn't get fan 4 to work again. In buying a new climate control panel - junk yard included a harness and it definitely has some light discoloration - NOTHING compared to what I had though. So, I'm wondering if its more common that not. I've had that panel on and off at least 50+ times over the years for radio mods so I observe it often - but for others, there's little reason to take it off.
That said - bypass idea is a decent one. I'll likely set an alarm on my phone for a year from now - see how it looks - and if its progressing, I'll likely go that route. Doesn't seem like there is any other oem/aftermarket replacement options. Thanks. |
07-25-2022, 12:42 PM | #11 |
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MAIC
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Vehicle:2001 B50 RSTi Sedan 2011 DGM WRX hatch |
Blower motor and/or resistor pack are on their way out. Just swap both.
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07-27-2022, 07:09 AM | #12 |
Scooby Guru
Member#: 53443
Join Date: Jan 2004
Location: Anchorage, AK
Vehicle:2001 LL Bean Outback Winestone |
There have been a number of folks here with complaints about this issue. I feel it is a design problem. I you are going to try the OEM design again make sure those contacts are very clean and make good solid contact with the mating terminal. I would install the bypass circuit if I was doing this repair. It is frustrating to keep repairing the same problem that keeps occurring over time.
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