Disabling automatic AC on defrost
#81
01-06-2010, 05:16 PM
Just did mine. Work from the passenger side (North American). A tool like the one Virtual used would be perfect, but anything rigid enough and with an elbow in it will do to easily remove the panel. I used a tiny hex key, and worked from the bottom of the panel. Had it off in seconds with almost no force. The switch is on the driver's side, but find it by looking from the passenger's side. The connector on the back of the switch is rather large--maybe a bit more than an inch long--white, and has two wires coming from it. Just take a smallish screwdriver and gently pry it away from the back of the switch and you're done. Many thanks to Roger's Fit (Btw, how on earth did you know to do this? Or should I not ask.)
Thanks for more info...I had trouble seeing the connector...(cramped quarters), but it came off in a second, once found.
#83
01-07-2010, 02:12 AM
#84
04-18-2010, 05:58 PM
exactly
And whoever said that getting into the right position is tough, understated the case. I could only see the outer end of the connector by contorting majorly under the dash with my butt out the passenger door. Strong reading glasses needed, too. When you find the connector, SCbarren's tip is crucial: it has a tiny lip at the end. Fit a flat screw-driver blade against the connector body and pry down on the lip by levering the driver shaft agains the edge of the cut-out in the panel. The connector should pop free---mine did. I'm not gonna worry about re-connection, because I doubt I can bend into the shape needed to see the connection point!
In my climate, I've always managed better by being able to control AC and defrost separately. Big thanks to RogersFit for this great tip!
#85
05-02-2020, 10:04 AM
Ok. There have been some interest in disabling the automatic and forced use of AC while in defrost. I have done this, without cutting any wires, and you can still press the AC button to turn on the AC while in defrost.
I have moved the link to n external website, as i am taking my hand at web page writing:
see the link in my signature line.
I have moved the link to n external website, as i am taking my hand at web page writing:
see the link in my signature line.
#87
05-02-2020, 09:56 PM
Years ago, I did Roger's disabling fix.
Sorry, I have no pics and no longer own the car, but you have to remove an extra wire from the back of the switch. It was very easy to do and impossible to screw up, as it is the only extra wire. It makes it so that the AC only comes on for defog if you press the button. If you can get up behind the dash, or if you can pull the switch out, the wire just pulls off. Tape it up or cap it off (for cleanliness) and you are good to go. Gas saver if you live in the damp northwest like I do.
Sorry, I have no pics and no longer own the car, but you have to remove an extra wire from the back of the switch. It was very easy to do and impossible to screw up, as it is the only extra wire. It makes it so that the AC only comes on for defog if you press the button. If you can get up behind the dash, or if you can pull the switch out, the wire just pulls off. Tape it up or cap it off (for cleanliness) and you are good to go. Gas saver if you live in the damp northwest like I do.
#88
05-03-2020, 08:31 AM
Years ago, I did Roger's disabling fix.
Sorry, I have no pics and no longer own the car, but you have to remove an extra wire from the back of the switch. It was very easy to do and impossible to screw up, as it is the only extra wire. It makes it so that the AC only comes on for defog if you press the button. If you can get up behind the dash, or if you can pull the switch out, the wire just pulls off. Tape it up or cap it off (for cleanliness) and you are good to go. Gas saver if you live in the damp northwest like I do.
Sorry, I have no pics and no longer own the car, but you have to remove an extra wire from the back of the switch. It was very easy to do and impossible to screw up, as it is the only extra wire. It makes it so that the AC only comes on for defog if you press the button. If you can get up behind the dash, or if you can pull the switch out, the wire just pulls off. Tape it up or cap it off (for cleanliness) and you are good to go. Gas saver if you live in the damp northwest like I do.
Honda Fit Air Conditioning in Defrost Mode
http://www.diymyhonda.com/fit/independent-fog-w-original-switch/
Last edited by Anov229; 05-03-2020 at 08:34 AM.
#89
05-04-2020, 10:26 PM
After a lot of searching, I found this. Is this (first link) what you did? Also, did you happen to do the Independent fog light fix as Roger has also described? Is it similar to this (2nd link)? It looks like a first gen, but I have a 2nd gen. Any idea if it'll still work?
Honda Fit Air Conditioning in Defrost Mode
http://www.diymyhonda.com/fit/independent-fog-w-original-switch/
Honda Fit Air Conditioning in Defrost Mode
http://www.diymyhonda.com/fit/independent-fog-w-original-switch/
That is different from the original thing that I read but it looks good. I never tried the independent fog light mod but I know with Ford F150s, it is a popular thing to do. Good luck!
#91
05-28-2021, 11:55 AM
The basic premise of this mod seems flawed. They run the AC with the defrost to dry the air before they heat it and blow it on the windshield Otherwise, in some situations the defrost will cause the windshield to fog up.
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