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 fog light mod problem

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firezapper
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Posted - October 28 2006 : 7:30p Reply with Quote Report this post to a moderator
OK I did the foglight mod on Mack. Didn't have fogs and parks stock. I modded the switch, put in the jumper and pulled the foglight fuze.


Well now for the problem. In PA, with it being the factory switch, it need to work like stock. Meaning fogs off with highbeams.

My idea.... Hope it will work....


Take a DPDT switch, mini fuse taps, imline fuse. What I want to do is. take the fuse taps and the inline fuse to one set of polls on the switch. Then the jumper wire to the other. Flip the switch and the fogs work stock, then the other side they work like above.

Just wondering if that will work. I understand a SPDT, I've used them for reverse lights and shit. Never used a DPDT.



Edited by - firezapper on October 28 2006 7:30p
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Mort
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Posted  - October 28 2006 : 9:34p Reply with Quote Report this post to a moderator
Is this needed for a state inspection? If not, I'd just leave it how it is.

firezapper
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Posted  - October 28 2006 : 9:40p Reply with Quote Report this post to a moderator
YEP or I would.

Thermo
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Posted  - October 31 2006 : 4:43p Reply with Quote Report this post to a moderator
firezapper, on the wire that you used to jumper from the red/yellow wire to the white/black wire, you can install a simple SPST switch (any switch rated for 1 amp or more) in that wire. That will disable the fog lights except as they would be for normal stock use (ie, turn off with the headlights in high.

If you want to be really fancy, you can use a SPDT switch (has two ON positions). Then you can wire the red/yellow wire running from the headlight switch to the center post, the other half of the red/yellow wire to one of the outside posts and then the last post being the jumper wire leading over to the white/black wire. This will allow the fogs to be completely disabled, operate like the factory had them, and as you want (ie, don't turn off unless the fog switch is taken to off).

If you need more help, just hollar. I do a lot of wiring stuff on my truck and for other people. It is what I do for a living, just on a slightly bigger scale, nuclear submarines for the nuclear reactor.

Chris "Thermo" Coleman and Nukie, the radioactive 97 X

firezapper
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Posted  - October 31 2006 : 5:08p Reply with Quote Report this post to a moderator
Only problem is I have to remove the fuxe for the factory fogs. It will blow when I turn on the fogs with the jumper installed.

I know I can install a switch inline of the jumper, to switch between factory and modded.

Then using a fuse tap, a inline fuse, and a switch. I can turn off the factory fog fuse by going from 1 pole on the fuse panel, thru the inline fuse, into the aftermarket switch, then back to the other pole.

What I'm looking to do is that in 1 switch.

What I envision.
Position 1.....
Factory fuse disabled and jumper hot.

Position 2.....
Factory fuse hot and jumper disabled.

Hope that makes what I'm thinking about easier to understand.


And THANKS Thermo. I was hoping for a reply from you.

Edited by - firezapper on October 31 2006 5:10p
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