North American Turbocoupe Organization



fog lights
HOODBIRD Offline
Senior Member
#1
ok here is my deal 86tc just brought some new fog lights that came with a relay built into harness i wana use there harness but when i follow the stock under hood wires i see that there is 3 wires 2 white, orange and one black

anyone know what the go to so i can rewire with new harness and use tc factory switch
86tc 5speed k&n, gfb boost controller, autometer gauges, tripminder, fmic, and upgrading as fast as possible
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DonH Offline
Posting Freak
#2
Where are you looking? The two orange wires, one to each light, are spliced together in the harness or at a connector and one orange wire goes to the factory switch. The black wire is ground. You want to cut the orange wire and run it to the relay coil so the switch will turn on the relay.
1987 TC stock except ATR 2.5"
1983 Pontiac Transam T-top 5.7 T56 [email protected] top speed: 176mph
1978 Fairmont 2.3 4-spd Big-top S/W
1946 Willys CJ2A 134.2ci L4 No-top
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HOODBIRD Offline
Senior Member
#3
thanks
86tc 5speed k&n, gfb boost controller, autometer gauges, tripminder, fmic, and upgrading as fast as possible
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HOODBIRD Offline
Senior Member
#4
ok after reading write up about adding relay to fog lights


i see that the only thing i needed to do was splice into the tan/orange wire right? since im using there fog light harness
and run hot and ground from there harness

now that i have done that my fog lights will light up on there own and not by switch


but when first hooked up wont come on until headlight come on like factory but after 10 -15 will come on with out headlights being on


what am i doing wrong
86tc 5speed k&n, gfb boost controller, autometer gauges, tripminder, fmic, and upgrading as fast as possible
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Jeff K Offline
Administrator
#5
Hard to say...... you need to give a DETAILED discription of how you wired it up. I dont understand exactly what you did.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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HOODBIRD Offline
Senior Member
#6
ok i brought some new fog lights that came with a relay


so what i want to do is run the new lights with wire harness to stock fog switch

i read the write up on how to add relay to fog lights


so i found the tan/orange wire and ran the wire to the wire that would cut the lights on from the new fog's harness then ran hot wire and ground wire from the new harness

is this correct using aftermarket fog's with relay
86tc 5speed k&n, gfb boost controller, autometer gauges, tripminder, fmic, and upgrading as fast as possible
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HOODBIRD Offline
Senior Member
#7
anyone?
86tc 5speed k&n, gfb boost controller, autometer gauges, tripminder, fmic, and upgrading as fast as possible
Reply

Jeff K Offline
Administrator
#8
It still isnt clear what you did, so it is hard to help..... can you post a wiring doagram showing exactly what you did?
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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HOODBIRD Offline
Senior Member
#9
ok lemme see how to explain this. the new fog lights came with a relay and i wana use the stock switch so i read the faq on adding a relay to fogs so what i did was found the tan and orange wire and connected to new fog harness but now my fogs will cut on at anytime? so basically i have the tan and orange wire hooked to the wire that would power fogs on new harness
86tc 5speed k&n, gfb boost controller, autometer gauges, tripminder, fmic, and upgrading as fast as possible
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DonH Offline
Posting Freak
#10
Take a look at the relay and it should be connected like this:

T/O wire from fog light switch to relay terminal 85
Ground wire to relay terminal 86
+12v from battery (should be fused, 10 amp) to relay terminal 87
Wire from fog lights to relay terminal 30

Note: Relay terminals as follows,
87, 30 relay switch
85, 86 relay coil
Your harness may be connected to the relay somewhat differently, just be sure that the T/O wire (fog light switch) is connected to the relay coil and the other coil terminal is grounded, that the power wire is connected to the relay switch and the fog lights are connected to the other relay switch terminal.
1987 TC stock except ATR 2.5"
1983 Pontiac Transam T-top 5.7 T56 [email protected] top speed: 176mph
1978 Fairmont 2.3 4-spd Big-top S/W
1946 Willys CJ2A 134.2ci L4 No-top
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