Q&A for How to Install Fog Lights

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Question

How do I install fog lights if there's no wiring or switch to connect them?

Community Answer

Purchase a kit that includes the wiring.

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Question

How is the wiring secured around the engine?

Community Answer

Zipties and electrical conduit. Pay attention and don't let slack fall onto the radiator, fans, belts, or the engine itself.

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Question

How do I install exterior accent lights on a 2017 Volkswagen Jetta where the fog lights go?

Community Answer

You'll need, a Dremel to cut out the holes on the front bumper to be able to mount the lights underneath, and extra wiring connections to tie the lights into your existing electrical system. As an added idea, consider adding an extra set on the bottom of the rear bumper to aid in backing up at night.

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Question

How do I know what bulb to replace the old one with?

Community Answer

Pull out the old one and take it to an auto parts store, they will know what to sell you. Make sure to replace in pairs, and tell them that they need to be street legal -- fog lights use special bulbs that are physically similar to, but can be made very powerful, and are designed for off-road use on vehicles like jeeps.

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Question

I bought a new set of Blazer headlights. Are brass rings attached by a wire on the bottom of both lights? I found this odd. But to get to my question: the lights fail to come on. The power switch lights up, but that's it. Any idea why this is happening?

Community Answer

The brass rings are probably intended to ground the lights. And if they aren't attached to a ground, that's probably why your lights won't work.

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