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Old 06-30-2017, 02:36 PM   #1
Jutboy
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Member#: 114371
Join Date: May 2006
Location: Andover, CT
Unhappy I think I broke my air conditioning

Hello everyone,
Sorry if this is the wrong section, I wasn't sure which one it fit into.

I'm 95% sure my air conditioning was working perfectly yesterday. I then had to short my starter solenoid to get my car running and I know 100% after that the AC was no longer working.

Could I have fried something electronic accidentally? I no longer hear the condenser click on. Does anyone have any diagnostic guides / ideas on what to check. Never had to deal with this before....I checked the 15A fuse under the wheel and it is fine. The light next to the dials lights up when I press the AC button. The fan is blowing fine.

Thanks for your help
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Old 07-01-2017, 11:10 PM   #2
hamsamsquanch
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Join Date: Jul 2017
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Have you checked the fuses under the hood?
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Old 07-02-2017, 08:58 AM   #3
Charlie-III
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Member#: 30669
Join Date: Dec 2002
Chapter/Region: Tri-State
Location: USA, North NJ, 07456
Vehicle:
1998 Legacy 2.5GT
Silver Sleeper BK, 5MT

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It would be good if you filled in some car info.
I believe there are AC fuses under the dash and under the hood, meter them, don't just look.

It could also be coincidence that it quit while you were starting it. I doubt you really did anything to it, different circuits.
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Old 07-02-2017, 05:38 PM   #4
GrundleJuice
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Chapter/Region: South East
Location: Central Floriderp
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you can visually check that the compressor clutch is engaging (or not engaging in your case) to verify and follow the clutch solenoid wire back to the relay/fuse box to check for voltage before/after the fuse/relay if it's not obvious which one it is. (i think its voltage and not grounding through the clutch solenoid but I am not sure)
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Old 07-03-2017, 09:26 PM   #5
Jutboy
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Join Date: May 2006
Location: Andover, CT
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Thanks for all your input. To start, I have a 05 Impreza RS Auto....sorry I forgot that.

I checked the continuity on the single fuse near the steering wheel and that works. I didn't see any fuses under the hood but I swapped the AC relay with the horn relay and that didn't change anything.

With the AC turned on and fans on I checked for voltage from the single wire running to the compressor -> battery ground and got nothing. I then did the compressor mounted plug prong to ground and got nothing.

Any ideas? thanks for your help!
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Old 07-04-2017, 03:54 AM   #6
CosmoTheCat
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Join Date: Jan 2001
Chapter/Region: NWIC
Location: Oly
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98 My FMIC
Is bigger than yours.

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Possibly coincidence, but you're going to need to check your pressures. Basically, take it to a shop.
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