Fog Light Question

[txdox21]

I searched and never did find the exact setup I am looking for to answer my question

 

Is it possible to modify the wiring to allow the fog lights to act independently of the low and hi beams. I want the fogs to be able to turn on with the hi beams, but I still want to have the ability to turn the fogs off if I choose. I found a mod to automatically turn the fogs on with the hi beams, but you could not turn them off.

 

Does anybody have any suggestions of how to get what I am trying to achieve?

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It's possible because I hooked mine up this way with the factory relay and a hidden switch underneath the dash. But on your model, I don't know.

[txab]

You might take a look at this search of this site. You should be able to find the info on how to do exactly what you want to do. It has been posted before.

 

Here's one hit from another website:

 

http://www.performancetrucks.net/forums/sh...age=1&pp=10

 

Or search this site:

 

Fog light search

 

It's best to search this site using Google. You'll get more "spot on" returns than if you use this sites search feature.

[EZDAAR]

Find the ground wire for the fogs, install a relay on the ground and switch inside cab.

Simple solution.

 

Switch on they work as intended with High's

Flip the switch and they shut off nomatter what your headlights are doing.

[txdox21]

Would it be possible to set this up using the factory fog light switch?

 

Find the ground wire for the fogs, install a relay on the ground and switch inside cab.

Simple solution.

 

Switch on they work as intended with High's

Flip the switch and they shut off nomatter what your headlights are doing.

[EZDAAR]

Would it be possible to set this up using the factory fog light switch?

 

Find the ground wire for the fogs, install a relay on the ground and switch inside cab.

Simple solution.

 

Switch on they work as intended with High's

Flip the switch and they shut off nomatter what your headlights are doing.

 

 

If you was to hard wire your Fogs to be on at all times with either High or Lows, Using store bought relay.

(Power from high would trip the 1st relay sending power to fogs.) (power from Lows would trip 2nd relay sending power to fogs)

 

Then yes you could use the factory dash switch and its power to operate a another add in 3rd relay on the ground side.

(power from factory harnes would trip relay connecting the ground or shutting it off., This would be the ~Fog light OFF switch~)

[TRCM]

Find a relay that has thru put even if it is not thrown/energized. Most GM stock relays are like this. Most aftermarket relays are NOT like this.

 

This way you can do it with only 2 relay.

 

Wire it so when the relay is NOT energized, the power to the fog light is fed thru from the low beam circuit, and when it IS energized, power is fed from the high beam circuit. Wire it so the high beam circuit will energize the relay.

 

Now, use the stock fog light switch to make or break the ground.

 

This way, you will have fog lights whenever the the fog light switch is on, no matter what headlights are on.

 

Example, low beam on, relay not energized. Turn on the fog light switch to make the ground, and power is fed thru the relay that is not energized.

 

Now, turn on the high beams, and the relay will energize, but will still feed power to the lights. Turn on the fog light switch and you will still have power thru the relay for your foglights.