Doing the Fan Switch Mod. Something Weird Happening...
I'm in the process of the the fan switch mod from http://rx7.voodoobox.net/howto/fanswitch/fanswitch.html
I want to do the same thing that guy did. I tapped into each of those relay wire with 2 wires. Then I connected the wires. I plan on running a wire from there onto a switch inside the car. I didn't find a switch yet, so right now I have those 2 wires connected. Anyways, when the fans come on and I shut off the car, the fans stay on. What the heck? Is this supposed to happen? |
If the two wires are connected together then they get grounded (ie. touch some metal part of the car) then they will stay on. I wired a switch (from Radio Shack) by the crotch AC vent and it works great..only thing is you have to remember to turn it off all the time...I tried to wire a light that comes on when the fans are on and off when they are off but aparently I am too stuid to pull that off. Gud Luk
P.S. Check my sig for where I mounted my switch |
The fans don't come on when the 2 relay wires are connected. They just stay on if they happen to be on before I shut off the car...
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How are you turning them on if you don't have a switch?
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Originally posted by apneablue How are you turning them on if you don't have a switch? |
Ok, this is the site that I followed and it worked great for me and they still come on when the t-stat kicks them on...
Check this site http://rx7.voodoobox.net/howto/fanswitch/fanswitch.html |
That's the site I'm using too.
Could tapping those 2 wires together cause the fans to stay on for 10 minutes after shut down? I'm gonna have to check that out later today... |
After shutdown if your temps are high (I think around 210°f) the fans will come on and stay on for a while. Mine does that.
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Your FD most likely has had the fan wiring update done, so you're basically triggering the 10-minute cooldown sequence. Using the wiring setup from the voodoobox site, you'll only be able to run the fans on low with one switch; if you try to wire it for medium or high, it won't work with the car running-- it will only trigger the 10-minute sequence when you shut the car off. I haven't tried it yet, but FDjunkie told me that you cannot get the fans to run on medium until they are already running on low; in other words, the fans have be on already before they'll run on medium speed. So you need another switch (or a three-way switch) so that you can trigger the medium fan speed.
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Hmmm damn.
Well when I ground one of the wires from one of the relays, the fan comes on. I think I'll stick with that for the switch. Thanks for the info, Kento! |
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