AC delete running dual Rad fans?
#445626
December 19, 2015 03:14 pm UTC
December 19, 2015 03:14 pm UTC
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Joined: Jul 2008
Posts: 2,349 Windsor
Mike Lane
OP
Insane Member
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OP
Insane Member
Joined: Jul 2008
Posts: 2,349
Windsor
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Hey all I ve been working on relocating the underhood fuse box harness to an under the dash tuck. I don't plan on running AC again. So lets talk OEM rad fans. I want to keep my OEM rad fan wired to the ECU, I figure it knows better than any toggle switch I can rig up. So that has been extended and rerouted, along with a whole pile of other accessories on that harness. Hell the end is in sight! But im slightly stumped on my AC fan. I ve been extending everything else with matching wire from another harness. I don't have enough OEM wire at the moment to make this thing long enough. What would you all do with the second fan? Delete for wieght reduction? Wire into the Rad fan? If I extend it in its OEM configuration, with all else AC related gone, it would still come on with the AC button if I want it to right? Hit the snowflake for extra engine cooling Just trying to decide what to do with this thing. Not sure if its just unnecessary weight that gets in the way of a future recirculated wastegate setup.
98GSX Black:1st car/resto proj 97 acura el stolen/found 99GSX Red RIP 86 turbo ZX, 92 turbo 2000GTX
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Re: AC delete running dual Rad fans?
[Re: Mike Lane]
#445629
December 19, 2015 04:15 pm UTC
December 19, 2015 04:15 pm UTC
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Joined: Apr 2010
Posts: 6,809 Ottawa, ON
Mike Eng
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: Apr 2010
Posts: 6,809
Ottawa, ON
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The button can be used as a switch.
It just requires you to wire it in that way. The temp sensor tells the ecu to turn on the relay which would all be bypassed if you decide to wire in the AC button as a switch.
The easiest method I found was to use a jumper cable bypassing the AC relay at the fuse box, meaning both fans would come on by the control of the ecu. But I decided to scrap that mod and just run both fans in series. And I've pretty much got them on full time with link.
Last edited by Mike Eng; December 19, 2015 04:19 pm UTC.
'99 GSX GT35R '03 CBR 600RR
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Re: AC delete running dual Rad fans?
[Re: Mike Lane]
#445631
December 19, 2015 08:33 pm UTC
December 19, 2015 08:33 pm UTC
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Joined: Apr 2010
Posts: 6,809 Ottawa, ON
Mike Eng
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: Apr 2010
Posts: 6,809
Ottawa, ON
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I deleted my AC lines, compressor and condensor. With the switch on, it didn't turn on the oem fan.. And if I understand what you're saying, it's that it will?
We are talking about deleting the AC right?
'99 GSX GT35R '03 CBR 600RR
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Re: AC delete running dual Rad fans?
[Re: Jason Drew]
#445636
December 20, 2015 01:41 am UTC
December 20, 2015 01:41 am UTC
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Joined: Apr 2010
Posts: 6,809 Ottawa, ON
Mike Eng
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: Apr 2010
Posts: 6,809
Ottawa, ON
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Everything in mine is deleted AC wise except for the fan and stock wiring, it works exactly as I said, as long as the the hvac is on, push the ac button and the ac fan comes on. Come to think of it, I don't recall checking to see if the fan would turn on with the HVAC on... Hmm
'99 GSX GT35R '03 CBR 600RR
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Re: AC delete running dual Rad fans?
[Re: Mike Eng]
#445637
December 20, 2015 03:19 am UTC
December 20, 2015 03:19 am UTC
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Joined: Apr 2010
Posts: 6,809 Ottawa, ON
Mike Eng
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: Apr 2010
Posts: 6,809
Ottawa, ON
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Everything in mine is deleted AC wise except for the fan and stock wiring, it works exactly as I said, as long as the the hvac is on, push the ac button and the ac fan comes on. Come to think of it, I don't recall checking to see if the fan would turn on with the HVAC on... Hmm Actually, Nevermind.. The light doesn't come on with the HVAC on. So I would have tested it.
'99 GSX GT35R '03 CBR 600RR
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Re: AC delete running dual Rad fans?
[Re: Mike Lane]
#445737
December 25, 2015 07:16 pm UTC
December 25, 2015 07:16 pm UTC
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Joined: Jul 2008
Posts: 2,349 Windsor
Mike Lane
OP
Insane Member
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OP
Insane Member
Joined: Jul 2008
Posts: 2,349
Windsor
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Seems that it doesnt work so flawlessly just yet. I dont think the alarm is causing me issues. Its kind of hard to tell without doors , an ecu, stereo or engine plugged in.
Headlights, tailLights, and foglights dont all work properly, and horn stays on. on the positive half the lights work properly and the HVAC blower, chimes and wipers work lmao.
Couldnt get the AC fan to switch on but thats currently the least of my issues. Yikes.
98GSX Black:1st car/resto proj 97 acura el stolen/found 99GSX Red RIP 86 turbo ZX, 92 turbo 2000GTX
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Re: AC delete running dual Rad fans?
[Re: Mike Lane]
#445870
January 06, 2016 03:38 pm UTC
January 06, 2016 03:38 pm UTC
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Joined: Oct 2010
Posts: 9,968 Caledon, Ontario, Canada
Bryan Lawrence
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: Oct 2010
Posts: 9,968
Caledon, Ontario, Canada
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No 2g isn't that way, I know that cause Terry and I got the same horns but had to connect them differently.
Sorry read that wrong. So I would double check your horn switches. My first guess is that they are making contact still.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: AC delete running dual Rad fans?
[Re: Mike Lane]
#445873
January 06, 2016 04:45 pm UTC
January 06, 2016 04:45 pm UTC
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Joined: Apr 2010
Posts: 6,809 Ottawa, ON
Mike Eng
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: Apr 2010
Posts: 6,809
Ottawa, ON
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Or the relay is toast.
With my 2010 MDX horns, unless they're grounded on the body, they'll never make a sound.
'99 GSX GT35R '03 CBR 600RR
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