ElectronicsNeed help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?
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I have a toggle switch hooked up to my secondary fan and i've noticed that its getting warm, sometimes hot to touch. its a 3 wire toggle switch but i have the fan ground wire hooked up in the engine bay. So i only have the hot fan wire and the source wire from the fuse box. I also found out that if i hook the hot on one side of the fuse it will blow it but it wont on the battery side of the fuse. Its a 15 amp fuse and the fan is supposed to draw only 12 amps. I used 14G wire so i thought it would be fine. Any help would be appreciated guys.. thanks
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1992 RS Heritage Edition /350 OE Roller Bored .060 over/Holley 650/Edelbrock Performer RPM/Vortec Shaved Heads 10.5:1 Compression/Beehive springs/Comp Magnum 1.52 Rockers/Speed Pro Flat Top Pistons/Comp XR 270 .502 lift
'10 best 13.1 at 106! Needs some minor tuning for 12s
All you should work with is the fan switch's single green wire(ground wire)... no hot wires and no relays, as those are already connected. So if you're working with the hot wire, then, in effect, it's probably like having connected the power twice, thereby overloading the circuit.
Near the fan switch, splice a wire into the switch's single green wire; run the new wire into the car and connect it to one side of a two-prong toggle switch; wire the other prong to the metal dash frame... done. Flipping the switch completes the ground, turning on the fan.
It's that simple--really.
Last edited by LAFireboyd; 03-10-2010 at 01:49 PM.
Reason: clarity
All you should work with is the fan switch's single green wire(ground wire)... no hot wires and no relays, as those are already connected. So if you're working with the hot wire, then, in effect, it's probably like having connected the power twice, thereby overloading the circuit.
Near the fan switch, splice a wire into the switch's single green wire; run the new wire into the car and connect it to one side of a two-prong toggle switch; wire the other prong to the metal dash frame... done. Flipping the switch completes the ground, turning on the fan.
It's that simple--really.
The hot wire coming off the fan goes to the toggle switch which receives its power from a wire coming from the fuse box to the toggle switch, its not getting power twice.
and the ones that need headlights for a little rain
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