manual fan switch problem
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Honda-Tech Member
Joined: Sep 2004
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From: Some where in, WA, USA
Yo, I saw some posts of it on here and how to do it. So i went and bought 16 gauge wire and a switch that lights up when its on. So first i just clipped the wires at the plug for the fan motor. found out which was posotive and which was negative. ran a long wire to the inside of my car to the switch and soldered it on there. then ran a ground from the switch to my car. then ran a hot wire from my battery to the switch. And for grounding the negative i grounded the wire to the battery holder on bare medal. So i flipped it on and it came one, i was happy as hell. so i heat shrinked everything and tried to turn it on again and it didnt go on. i looked at all the ground and everything and tried to flip it on again, the light came on on the switch then turned off with out me turning it off. So i tried to flip it on again and it didnt turn on. does anyone know what might be wrong? car in my sig.
Modified by jakscivic at 10:46 PM 6/20/2006
Modified by jakscivic at 10:46 PM 6/20/2006
Thread Starter
Honda-Tech Member
Joined: Sep 2004
Posts: 1,610
Likes: 1
From: Some where in, WA, USA
what "hot" wire should i use then? I dont know about blowing a fuse or not. the fan wouldnt turn on then the switch stopped working. i didnt have an inline fuse connected to it, which i picked one up today. So i will put that in and try and find another hot wire to use.
Thread Starter
Honda-Tech Member
Joined: Sep 2004
Posts: 1,610
Likes: 1
From: Some where in, WA, USA
because i have an obd1 block with an obd0 wireing harness. so i dont have the plug to go into the fan switch on the thermo housing. so there for my fan doesnt turn on, and in turn my car over heats
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you can go to an auto parts store and buy a fan wiring kit that comes with a relay and a thermostat that goes through the radiator , or in the coolant hose. these work great. also if you have ac they hook to the compressor 12v line. or you can get an adapter where you cut your rad. hose and it goes where you cut it and it holds a fan switch. also try http://www.summitracing.com
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jakscivic »</TD></TR><TR><TD CLASS="quote">what "hot" wire should i use then?</TD></TR></TABLE>None. The fan circuit has it's own power. All you're doing is closing a switch.
Take a wire & tap into each of the 2 wires of the OEM fan switch, without disconnecting those wires from the OEM switch. Take those 2 wires, run them thru the firewall, & hook them up to your switch.
This way, you leave the fan switch hooked up, so it can switch your fan on even if you 'forget' to use your manual switch.
Even though you don't have the right plug for that switch, you can still make some kind of connection to it. Or maybe you can get a fan switch to match your wiring, & maybe it'll have the same thread to install into the thermostat housing.
Modified by JimBlake at 8:53 PM 6/21/2006
Take a wire & tap into each of the 2 wires of the OEM fan switch, without disconnecting those wires from the OEM switch. Take those 2 wires, run them thru the firewall, & hook them up to your switch.
This way, you leave the fan switch hooked up, so it can switch your fan on even if you 'forget' to use your manual switch.
Even though you don't have the right plug for that switch, you can still make some kind of connection to it. Or maybe you can get a fan switch to match your wiring, & maybe it'll have the same thread to install into the thermostat housing.
Modified by JimBlake at 8:53 PM 6/21/2006
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