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Wiring up factory fog lights.


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I stole these, I mean, got a good deal on these off of Ebay months ago but I couldn't put them on my Hatch. The Lights would be too good for it! So I kept them thinking(knowing) I'd have another EA82 car one day. These are for the 80's EA82 cars, made to just plug and play. Factory harness, switch, and directions. You splice into three wires in the harness behind the fuse box, and the directions show that there are plugs in the bumper to pop out to mount the lights, the hole is in the dash for the switch, you just have to pop the cover off. But, my 92 loyale was a bit different, no plugs in the bumper so I drilled some holes. The wires to splice into were the same color just in different connectors. And the hole for the switch would need to be drilled out. Anyway, got them on, wired up, had the switch in my hand to try them out before I drilled the dash for it, and they came right on, looked great. But the switch was broken and it wouldn't pop out and turn off. I thought I could open it up and fix it, but it broke even more. So I tried to use a toggle. They turned on with the toggle, but blew a fuse when I turned them off. So I removed the supplied harness and made up my own, as I have many times before, with a relay amd a toggle supplting 12v to the relay to open it. But I burned up a fusible link that time.

So what's going on here? Does the factory switch just supply a ground? Like the radiator fan switch?

I was about to wire it back up with all the power leads to the battery, and use the toggle to ground the system, but I decided to consult the knowledge base here first.

Maybe I'll try to find a switch, it looks like the one for the cyclops center light.

 

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Going from memory - I think the factory wiring makes the fog lights go off when you switch on high beams. The relay "G" pin wired to the red/yel is my guess. The white w/ fuse holder should be battery +.

 

To use a toggle, it looks like ground the "G", feed accessory + to your switch, switch to the "S" on the relay.

 

If you temporarily wire a lamp in series with any + 12V feed wire into the unknown / unsure circuit, you have a current limiter that will protect most of the parts & fuses. For a relay signal, use a brake light bulb, heavier current, use a headlamp.

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