Make Fogs work with park lights
Cargo Master
Joined: Feb 2002
Posts: 2,414
Likes: 22
From: Tucson USA
Make Fogs work with park lights
If aftermarket wire in thru a relay which uses the power wire to the fog lights as the initiator.
I wired in run lights to be on with low beams this way, put switch in cab to alow to turn on off by completing the ground.
I wired in run lights to be on with low beams this way, put switch in cab to alow to turn on off by completing the ground.
Elder User
Joined: Jul 2003
Posts: 870
Likes: 1
From: Upstate NY Rochester
Make Fogs work with park lights
I've done that in the past, only to be harassed by the locals about not being able to shut them off independently from the OEM lights. PITA locals! I use switches and relays for everything now. I run the extra wire, just so I can "light em' up " when I go by, just a quick blip! But hey, this is NY!
Talk with you guys later....
Talk with you guys later....
Laughing Gas
Joined: Mar 2003
Posts: 943
Likes: 2
From: Randolph, NJ
Make Fogs work with park lights
When I put them in on my '98 with the "stock" kit, I was suprised that they didn't come on with the parking lights too. I expected it to be like my Mustang where they come on with the parking lamps if the switch is on and only go off with the highbeams.
-Jim
-Jim
Freshman User
Joined: May 2003
Posts: 36
Likes: 0
Make Fogs work with park lights
What I did was, pulled the headlights switch out, then took the hot wire from the foglights and spliced it into the wire that goes to the parking lights. best way to figured out which wire to splice into, is to take a needle and wrap the foglights wire around it then stick it through each wire till the fogs come on. good luck
Post Fiend
Joined: Jan 2003
Posts: 9,748
Likes: 16
From: Connecticut
Make Fogs work with park lights
A few months back I thought about doing this mod as well, and Bob Ayers was nice enough to give me a hand figuring out how to go about it. I sent him some schematics and he sent them back to me with some comments and tips (thanks Bob!) The image below represents the plan we 
came up with.
(NOTE: I also thought about wiring the fog lights directly to the parking lights, but was advised by Bob that the fog lights pull a significant larger current than the parking lights do, and that could possibly lead to problems down the road)
came up with.(NOTE: I also thought about wiring the fog lights directly to the parking lights, but was advised by Bob that the fog lights pull a significant larger current than the parking lights do, and that could possibly lead to problems down the road)
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Post Fiend
Joined: Dec 2001
Posts: 10,562
Likes: 4
From: South Jersey
Make Fogs work with park lights
My 2000 has an extra relay thats not shown in the above diagram. I'll have to get the diagram another time, don't have my disk with me.
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Logistics Pro
Joined: Sep 2002
Posts: 4,411
Likes: 1,016
From: Central KY
Make Fogs work with park lights
I'm curious now...how come Ford wires some trucks up like this from the factory, and others they don't...even though all the trucks in question are sold in the U.S. (and therefore have to meet the same DOT rules)?