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Old 11-06-2010, 10:38 PM   #1 (permalink)
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Honda Civic defrost w/o A/C on

So apparently Honda thinks that the A/C needs to be on ALL the time when the defroster is on, as you are unable to turn it off while in defrost mode....

Until you do this

Works on 7th and 8th gen civics. Defroster works better with A/C on, but if you are just trying to keep it from fogging back up sometimes you don't need the A/C on to dry the air out.

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Old 11-07-2010, 01:12 AM   #2 (permalink)
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Awesome. I just pull the AC circuit fuse in my Subaru Loyale, except for July-August.
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Old 11-07-2010, 06:38 AM   #3 (permalink)
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Since I never got heat working back in my IRX, I just used a squeegee. I kept it right besides the fire extinguisher for easy getting-to.
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Old 11-08-2010, 01:17 PM   #4 (permalink)
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There are two wires that control the electric AC clutch. Splice an appropriatly heavy switch into one of them. Mount this switch in the cabin. It should allow you to turn it off when you don't want it on.

My dad had a compressor lock up in an old truck. He just unplugged the electrical connector on the compressor.
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Old 03-26-2013, 10:53 AM   #5 (permalink)
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There may be downside to this with those who have fully functioning A/C units. The A/C on some cars need to be activated periodically to keep the seals and everything lubricated. Without doing this you may shorten the life of the unit quite drastically.

Just and FYI.
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Old 03-27-2013, 02:20 PM   #6 (permalink)
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Quote:
Originally Posted by LeanBurn View Post
There may be downside to this with those who have fully functioning A/C units. The A/C on some cars need to be activated periodically to keep the seals and everything lubricated. Without doing this you may shorten the life of the unit quite drastically.

Just and FYI.
Good point.

I've been considering rigging up a switch on the Cherokee for this. Ultimately, I think I'm just going to get rid of the A/C altogether on it.

Both of my vehicles, I've considered rigging up a switch. My focus ALWAYS runs the AC in ALL positions. Even though there's an AC button. Odd thing. There's some times where it's cool enough outside that you just want to circulate some air without running the A/C.

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