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Unread 11-29-2012, 08:44 PM   #1
turkey
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hella 500 to stock fog wiring?

I got a new front bumper last week, and had to lose the stock fog lights. I bought some hella 500`s because I heard they would work. I have some wiring stuck in my new bumper that I assume is from the stock wiring. It y's off and goes to both sides. So do I need to just cut off the connectors and wire in my new lights? I don't think I need a new switch or relay, because they don't use any extra power and I should be able to use the stock fog switch on the steering column correct?

Thanks

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Unread 11-29-2012, 09:26 PM   #2
Noxian
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What year is your Jeep?

The newer Jeeps run Pulse-Width-Modulation bulbs, and may not like the aftermarket h3 bubls that are in your 500s, better off running a relay triggered by the factory harness. Thats how I have mine setup and it allows me to use the factory switch with no extra load on the factory harness.
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Unread 11-29-2012, 09:39 PM   #3
turkey
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Sorry jeep is a 2013. I have read of a few people with 2012 splicing into the factory wiring, is there any difference in the wiring of the 13s what's the process for tapping into the stock connector just for the signal. Sorry new to wiring.

Thanks
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Unread 11-30-2012, 04:56 AM   #4
OH9JK
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A relay would be your best bet. The OEM wiring and switch can still be used to trigger the relay. In the diagram below just substitute one of your positive OEM fog light wires into pin # 85 on the relay

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Unread 11-30-2012, 02:56 PM   #5
Butterbuddha
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Wow I didn't realize there was any wiring differences throughout the JK years. I bought Apollo Series 55W lights and wired it right into stock wiring and switch, never had a problem.
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Unread 11-30-2012, 04:07 PM   #6
Noxian
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Quote:
Originally Posted by turkey View Post
Sorry jeep is a 2013. I have read of a few people with 2012 splicing into the factory wiring, is there any difference in the wiring of the 13s what's the process for tapping into the stock connector just for the signal. Sorry new to wiring.

Thanks
2011 they changed alot of the electronics on the JK, including the fog light systems, they dont behave very well if you put any additional load on them.

The fog lights in the 2011+ JKs are PSX24W, which are 24watt, your hella 500s would be 50watts
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Unread 11-30-2012, 05:16 PM   #7
Coolcatracing
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All the jk's run PWM lights. Your best bet is to trigger them from the factory wiring but use the relay that came with the lights. I went ahead and wired a switch for my HID Hella's since I wanted to be able to use them whenever I wanted. When they're on I can barely tell the headlights are even on they're so bright.
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Unread 12-07-2012, 10:00 PM   #8
turkey
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Update. So I decide to try the lazy way, I ordered some t-tap connectors and the male spade connectors that go with them. Spliced right into the factory wires with the connectors and everything seems to be working great. The lights are plenty bright and trigger right off the factory switch. It took less than 5 minutes and didn't require any cutting.
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