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Old 08-14-2011, 03:35 PM   #1
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Are these fog light wires?

I found these all taped up under the hood close to the headlights but I can't see which wire loom they attach too. My interior fog light switch doesn't light up at all so could that be bc the wires aren't hooked up to anything? I don't have fogs hooked up now at all but the jeep has the factory switch. '93 Sahara.

I have new fogs coming this week and it would be great if these wires were what I needed.
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Old 08-14-2011, 03:44 PM   #2
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Most likely, the wire colors are black/white and black, so that looks right. If you wanna be sure, check for pos. voltage on the black wire with the switch on, and constant ground on the black/white.

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Old 08-14-2011, 03:46 PM   #3
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Thanks. I am still trying to figure out my multimeter and exactly what settings to figure all of that out.
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Old 08-14-2011, 03:50 PM   #4
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Set it to DC voltage (solid line above dashed line)... probe between battery negative and wire in question to check for positive voltage. Probe between battery positive and wire in question to check for ground (a voltage reading would indicate ground)
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Old 08-14-2011, 05:35 PM   #5
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Got it! They are the fog light wires. Both sides work. Before when I was testing I forgot the fogs only come on when the low beams are on...so I was testing with no headlights on. Doh!
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Old 08-15-2011, 05:01 PM   #6
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Any troubles using the Harbor Freight fogs with factory wiring? I doubt the lights get used much at all.

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