Installing '98 Mustang v6 Fog lights (Help needed)

Conformist

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Apr 2, 2020
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Hello! I'm fairly new here, but have always reverted to this website for some common knowledge.

So, been wanting to add some fogs to my '98 and I have a general Idea on how to do it and have some of the needed parts to do a "Factory" like job. I already have the switch and relay I pulled out of a '99, also cut part of the fog light harness. And what I also know is Ford left the plug for both the Convert top and Fogs in the center console regardless of model.

What I'm trying to figure out here is if I want to do a "factory" like job, how would I go about wiring this up. I'm horrible at electrical if anyone would be so kind as to elaborate step by step, that would be hella helpful. My idea is, if I tap the positive wire into that fog plug in the center console and ground the negative to anywhere on the car that that may do.
 
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Conformist

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So did a bit more research and testing. The switch works when the headlights are on, guess apparently on older SN95 94-98 the headlights have to be turned on to turn the fogs on with the switch compared to 99-04s that don't.

So that gave me a wild idea in terms of wiring. If I put the fog relay in and wire the fogs to the running lights would that allow me to turn the fogs on and off?
 

92j3ieje8

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Mar 17, 2020
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No, you probably need a different PCM and harness. To use the button. Unless you have a solder. I would just buy a wire and fuse set. And a switch and connect it to the battery. Through the firewall.
 

Conformist

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No, you probably need a different PCM and harness. To use the button. Unless you have a solder. I would just buy a wire and fuse set. And a switch and connect it to the battery. Through the firewall.
There's some old information around these forums I've been looking over and I know I wouldn't need a PCM. I don't really want to go the aftermarket wiring route unless that's realistically my last alternative, If I do go that route I'll probably end up wiring it into the switch plug rather than using them sh*tty ebay switches.
 
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