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Fog light switch

Tiny
WGIDDINGS
  • MEMBER
  • 1997 VOLKSWAGEN JETTA
  • 249,000 MILES
I have a foglight switch for my 97 vw jetta. I do not want to hook up fog lights per say, instead I want to use the switch to turn on the rear fog light. How would I go sbout doing this? I know I have to run a wire from the back of the car to somewhere up front either on the switch or some place else. I searched the internet and came up with nothing. I'm hoping you can provide some insight on this or even tell me how the fog light switch works. Thanks
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Wednesday, March 28th, 2012 AT 6:31 PM

4 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Rear fog light? As in a rearward facing bright light? From what I know, this is illegal for on road vehicles.

The wire(s) to the foglight(s) will go from the lights, to a relay. The relay will get power through a fuse (30Amps). The relay will be switched by the foglight switch.
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Wednesday, March 28th, 2012 AT 6:53 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Just run a wire from the fog switch to the back fog light and make sure the ground side is good
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Wednesday, March 28th, 2012 AT 6:53 PM
Tiny
WGIDDINGS
  • MEMBER
  • 2 POSTS
Ok, but where on the back of the fog switch should I run the wire? This is a factory switch that turns on the rear tailights as I have DRL's. Thanks.
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Wednesday, March 28th, 2012 AT 7:03 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Find which lead is hot when the switch is turned on. Use either a meter or a test light.
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Wednesday, March 28th, 2012 AT 7:10 PM

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