Fog Lamp Mod

jp450 · 10-18-2008, 10:38 AM

On my 99 ex I was able to jump the relay to keep the fog lamps on when the high beams were on. Is there a mod to do the same thing on my 05? I attempted to jump the relay and the fog lamps stay on. Any suggestions?

Jeff

ShawnTRD · 10-18-2008, 11:54 AM

I would like to know this also.

*BWilliams* · 10-18-2008, 11:57 AM

Sadly, it would take significantly more work to do on a 3rd-gen, in particular some rewiring to bypass the stock relay and use a new relay in it's place with the power run directly from the battery.

The way that the 3rd gen fogs work is that the high beams are an on-on relay... When your highs are off, the relay coil is deenergized, and so the power runs from the high-beam relay to the fog light relay, and then to the fogs themselves. When you flick the highs on, the coil energizes, pulling the switch in the relay (and therefore the power) to the high-beam circuit and cutting power to the fogs. The fog relay stays engaged, though, just with no power running through it.

You'd have to wire up another relay that takes power from the battery and uses the signal from the stock switch to energize the coil.

HTH.

jp450 · 10-18-2008, 06:49 PM

Thats what I was thinking but was hoping there was another way... I guess not...

Thanks,
Jeff

XtremeRanger · 10-22-2008, 08:06 PM

maybe in left field, correct me if Im wrong........me installing the fog light factory ford kit on my GF's truck is running thru my mind right now......

Couldnt you just cut the blue/? wire(for the fogs) at the headlight switch and splice to the parking light wire? you wouldnt be able to cut them off technically but it would prolly do the job...

Uafan · 10-23-2008, 12:29 PM

I did it, I just hardwired my HID fogs to my battery..

*BWilliams* · 10-23-2008, 07:58 PM

Quote:

Originally Posted by XtremeRanger

Couldnt you just cut the blue/? wire(for the fogs) at the headlight switch and splice to the parking light wire? you wouldnt be able to cut them off technically but it would prolly do the job...

Actually, you would cut the light-blue/black wire coming from the headlight switch and connect that to slot 86 on a relay whose power comes straight from the battery instead of running it to the stock CJB.

Obviously, much easier if you're installing the fogs yourself instead of trying to rewire the stock fogs, but the procedure would be the same for someone who already has fogs installed.

Quote:

Originally Posted by Uafan

I did it, I just hardwired my HID fogs to my battery..

Where did you take the sense wire, then, to tell the ballasts to turn on... the headlight switch wires before they go to the relay box? If so, you did the same thing that I'm suggesting, just using the ballasts in place of relays.

10-18-2008, 10:38 AM	#1
jp450 Wannabe Elite Explorer Pepperell, MA '05 XLT V8 Join Date: Jan 2004 Posts: 476 Vehicle Specs (Original Poster)	Fog Lamp Mod On my 99 ex I was able to jump the relay to keep the fog lamps on when the high beams were on. Is there a mod to do the same thing on my 05? I attempted to jump the relay and the fog lamps stay on. Any suggestions? Jeff __________________ 2005 XLT V8

10-18-2008, 11:57 AM	#3
BWilliams Elite Streeter Buffalo, NY (home) // Rochester, NY (school) '05 XLT Sport Join Date: Mar 2007 Posts: 473 Vehicle Specs	Sadly, it would take significantly more work to do on a 3rd-gen, in particular some rewiring to bypass the stock relay and use a new relay in it's place with the power run directly from the battery. The way that the 3rd gen fogs work is that the high beams are an on-on relay... When your highs are off, the relay coil is deenergized, and so the power runs from the high-beam relay to the fog light relay, and then to the fogs themselves. When you flick the highs on, the coil energizes, pulling the switch in the relay (and therefore the power) to the high-beam circuit and cutting power to the fogs. The fog relay stays engaged, though, just with no power running through it. You'd have to wire up another relay that takes power from the battery and uses the signal from the stock switch to energize the coil. HTH. __________________ Regards, Bradley Williams '05 Explorer XLT Illusion's Elite Registry

10-18-2008, 06:49 PM	#4
jp450 Wannabe Elite Explorer Pepperell, MA '05 XLT V8 Join Date: Jan 2004 Posts: 476 Vehicle Specs (Original Poster)	Thats what I was thinking but was hoping there was another way... I guess not... Thanks, Jeff __________________ 2005 XLT V8

10-22-2008, 08:06 PM	#5
XtremeRanger Wannabe Elite Explorer Columbus, Ga '95 Ranger XLT Join Date: Oct 2003 Posts: 230 Vehicle Specs	maybe in left field, correct me if Im wrong........me installing the fog light factory ford kit on my GF's truck is running thru my mind right now...... Couldnt you just cut the blue/? wire(for the fogs) at the headlight switch and splice to the parking light wire? you wouldnt be able to cut them off technically but it would prolly do the job... __________________ 1995 Ford Ranger - Not Stock 2002 Explorer XLT 2wd 4.0 Black everything but a sunroof., Manik Grill Guard, Mounty Cluster, Tint, Yakima MegaWarrior Basket, 6K HID's 2005 Saturn VUE Redline AWD 2006 Saturn ION Redline - in the rebuild process, shooting for 300HP

10-18-2008, 11:54 AM	#2
ShawnTRD Wannabe Elite Explorer Spener, NY 2005 Explorer Limited Join Date: Feb 2005 Posts: 159 Vehicle Specs	I would like to know this also.

10-23-2008, 12:29 PM	#6
Uafan Wannabe Elite Explorer Whippany, New Jersey 2004 XLS Join Date: Jan 2008 Posts: 524 Vehicle Specs	I did it, I just hardwired my HID fogs to my battery..