Fog Light Mod....
Posted 08 March 2003 - 11:18 AM
"This mod is for 86-89's I'm not sure if the wiring is the same on earlier
It allows the use of your foglights with parking lights ONLY, you no longer
have to have the head lights on in order to have your fog lights I know
there are people that would like to do this and can't for one reason or
another. The ONLY reason this wouldn't work on 86-89 LE, ES, TSi, or
ESi-R's is if someone previously dorked with your wiring.
1. Gather the necassary tools. Philips head screw driver, wire crimper,
electrical tape aka black tape, and a small 10-12 " peice of stranded wire.
Since you are using this only as a signal wire to the relay it can be a
pretty small wire.
2. Locate the foglight relay; it is located on the passenger side of the car
in front of the air can right underneth the horn and two other relays. I
found it MUCH easier when I removed the turbo to i/c pipe.
3. Locate the 10 gauge green wire. Cut the wire where it enters the harness
to the rest of the car. This should leave you with lotsa wire to work with.
Second, strip abotu 1/2" back on the wire or a little less depends on how
you plan on attaching the upcoming wire.
4. Pull the passenger side marker light out. This requires a phillips head
screwdriver to remove two screws. One on the marker light itself and one in
the far bottom (pass side) corner. Pull the light out. To make it a bit
eaiser you can actually pull the light out of the marker housing. There are
two wires here. A green/white and a black.
5. Pulling the light out enough to reach the wires easily. Take the G/W
wire and you can do several different things. I myself carefully cut a ring
in the sheath, and pulled back the insulation on each side. Thsi exposed
abotu 1/4"-1/2" of wire that was unmolested. Take the peice of stranded
wire strip about 1/2" and wrap it around the bare wire you just exposed on
the G/W wire. Tape the splice you just made. (You can also solder it to
make it a better connection. Also you can cut the wire strip both ends of
the G/W wire and tie it all together with a wire nut or somethign. IMHO The
way I did it didn't take very long Was easier to do to then fighting with
gettign the stripper in far enough to strip the back wire.
6. Run the peice of wire you just tapped into the G/W wire through two hole
on the inside of the fender.
7. splice the wire you just ran through the fender to the green wire that
you stripped. Make a nice secure connection tape it.
8. Install the lights and grill back into place. Watch in amazement. Looks
89 TSi 14G, 2.5"Ex,21lb.Flyw, Sht.Shift, SS Hoses,1G MAS/K&N,
125psi F.Pump, Type-H BOV /H-Pipes, 9" Rears, ST's, KYB's.
2008 Toyota Tundra Crew Cab
2014 Silverado Texas Edition
2016 Escalade Platinum Edition
Posted 09 March 2003 - 11:43 PM
Posted 20 March 2003 - 11:54 AM
Posted 23 March 2003 - 07:40 PM
Whatcha think of this...
ok, you will need to run new wires to the foglight relay switch, OR run a new voltage trigger wire to the relay, which may be alot easier.
Then you run a wire from the radios "Memory" hot wire to the foglight switch.
You run the new wire to the "Voltage sensing" wire that feeds the relay from the switch.
You should now be able to run your foglights whenever you want. Keys in/out running/not.
Posted 25 March 2003 - 07:32 PM
Yes Bri-Guy You don't loose ANY correct normal function on the lights.
CHC... Yeah you can do that ... but first time you forget and leave them on somewhere.. your batt is going to be bone dead in a matter of hour or two. or shorter....plus it's going to take a LONG time where as the method that acts factory only takes about 60 seconds...
Posted 27 March 2003 - 05:16 AM
Posted 02 April 2003 - 10:06 AM
Posted 29 June 2003 - 08:54 PM
Posted 12 January 2004 - 04:00 PM
Kinda want to have the best of both worlds, fogs on with parks and the flash to pass.
Posted 06 April 2004 - 07:04 AM
Very right, But instead of runnign that wire, Do me a favor adn save yoruself a bit of time... use the BLUE/WHITE fan wife instead... lot quicker.. and again it isn't enough current draw to hurt anythign ;D
Next thing... I did.. I removed the secondary fan. (the fan that doesn't come on first in my car) .... COMPLETELY removed the fan itself, teh relay for it, and the harness runnign to the fan, But I cut down two wires, cause they ran to the fan and left two. The switched 12V hot adn the ground wire that was in the plug. And that is running my EVC power as well as my gauge lighting. Soon I am goign to be installign a relay somewhere... (definetly in cab) adn using the wire to turn on a relay so I can run more off it and have less wires runnign around to my engien compartment,...
Which has been reinstalled now...
Posted 13 January 2005 - 08:44 PM
Posted 20 January 2005 - 11:50 AM
My body lay, but still i roam...
Posted 21 January 2005 - 07:05 AM
Typically, fog lights are for driving in foggy conditions (brights are not used in foggy conditions). However, I've got mine rigged to come on anytime the foglight button is pressed - I use them as daytime running lights; but I never have them on when the headlights are on...
'85.5 Starion (grey/black)
'85.5 Starion (white/black)
'87 Starion LE auto (white/red)
Posted 21 January 2005 - 02:45 PM
i have my fogs wired into my park lights, so they come on when the park lights do. then your fogs will come on with your brights. hope this helps :)
2004 Honda S2000
Posted 26 March 2008 - 10:52 AM
What I want is regardless of headlight function, as long as the parking lights are on, the fogs are too.
BTW, I've never tried the flash to pass on my SQ...I'll try here in a few minutes to see how it works.
Satin black on black '86 Starion ESi-R play toy - SOLD
13PSI via an MBC, an FCD, and a JET chipped 86 ECU, stock-piped hard-piping with a K&N, and a gutted pre-cat...
2006 Mazda RX-8 GT w/ Appearance Package
Posted 05 June 2008 - 12:16 PM
Posted 05 June 2008 - 02:31 PM
Posted 05 June 2008 - 02:48 PM
Mine did the same thing, the headlights stay on in the down position when the parking lights are on, so the light hits the ground behind the spoiler, looks kinda funny. But I'd like to know how to correct it so only the foglights stay on with the parking lights.
ForgedJE, AJUSA HG, All ARP, Ported/Polished Head, 1GMass, 05H 18G, 2.5"Exhaust, Unorthdox Pulley, Hard Pipes, Walbro255, RC Injectors, Adjustable FPR, Factory ECU/TB :(
Keep it Shinny Side Up!
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