Wiring roof and fog lights without using existing harness? - Toyota FJ Cruiser Forum
 
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post #1 of 4 (permalink) Old 06-26-2015, 05:55 PM Thread Starter
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Wiring roof and fog lights without using existing harness?

So I am about to install 4 different sets of lighting on my rig.

Air Dam Lights
Lower grille lights
Bumper fog lights
Rear roof lights

I have all the lights, switches, relays, wires, connectors, plugs, heat shrink, loom etc etc so I am ready to rock. Just trying to finalize my game plan.

Here is the deal. From what I gather, using the existing harness set up greatly limits your ability to use your lights as you choose. I would prefer to have the air dam lights on one switch that I can turn on and off whenever I please. The lower grille lights, I would also prefer to have full control of on its own switch. The bumper fog lights is something I am dreaming up with 2'' led fog lights, I would prefer if these lights either came on when the car started and stayed on through all headlight switch positions OR simply come on with running/low/hi beam lights. The rear roof lights will also be controlled by a switch whenever I please.

I understand that there is existing wires ready to go but I think this way will achieve my goal. Attached is a diagram I drew up for the basic lighting. I do some minor LED work on big rigs at work, and this is a similar set up I use when wiring. However, I think it can kind of be streamlined.. Like using the ground from the relay to ground lights and that sort of thing. If you see a shortcut, let me know. I am also wondering if I can use 1 power line from the battery to power all 4 relays/switches? Can I use the battery neg terminal to satisfy all grounds or do I tap other existing grounds in engine bay?

My only concern is someone helping me wire the fog lights so that the switch can stay pressed on at all times(think parking sensor) and then be activated by the head light control or just stay on at all times..Is there anyway to do this. Obviously I will have to tap into the wire that power the headlights but I dont even know where to look.

Also, if someone can talk me into using the existing set up, go ahead! I know this is kind of confusing but I will take all the help I can get. Thank you!
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post #2 of 4 (permalink) Old 06-26-2015, 06:21 PM
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Re: Wiring roof and fog lights without using existing harness?

Hello, in the last month i wired in 2 led bars on my roof rack and bringing the wires down on the passenger side windshield pillar. First I installed my zombie light bar in the back 24 inch using 2 racing clamps sold on ebay, used them on my other FJ installing the jack.
Then i drilled a hole in the roof rack and fished the wires to the aft passenger pillar, had to unbolt rack to fish and drill through roof being careful to only go about 1/8 depth into the roof to stay above liner and in between the roof wall, then with safety wire fished down and sent wires to front of cabin along inner panels. proceeded to do the same on 50 inch curved led light bringing all 4 wires down through front passenger pillar and out near glove box, being meticulous the whole time with detail, tie wrapping and making it look custom,. installed switch kit wiring harness sold on ebay for 13.00 and wallah. Sealed all roof rack and roof access holes. here are some pics.
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post #3 of 4 (permalink) Old 08-08-2016, 07:54 PM
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Re: Wiring roof and fog lights without using existing harness?

Quote:
wavjumpr previously said: View Post
Hello, in the last month i wired in 2 led bars on my roof rack and bringing the wires down on the passenger side windshield pillar. First I installed my zombie light bar in the back 24 inch using 2 racing clamps sold on ebay, used them on my other FJ installing the jack.
Then i drilled a hole in the roof rack and fished the wires to the aft passenger pillar, had to unbolt rack to fish and drill through roof being careful to only go about 1/8 depth into the roof to stay above liner and in between the roof wall, then with safety wire fished down and sent wires to front of cabin along inner panels. proceeded to do the same on 50 inch curved led light bringing all 4 wires down through front passenger pillar and out near glove box, being meticulous the whole time with detail, tie wrapping and making it look custom,. installed switch kit wiring harness sold on ebay for 13.00 and wallah. Sealed all roof rack and roof access holes. here are some pics.
Looks awesome!
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post #4 of 4 (permalink) Old 08-13-2016, 01:46 PM
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Quote:
wavjumpr previously said: View Post
Hello, in the last month i wired in 2 led bars on my roof rack and bringing the wires down on the passenger side windshield pillar. First I installed my zombie light bar in the back 24 inch using 2 racing clamps sold on ebay, used them on my other FJ installing the jack.
Then i drilled a hole in the roof rack and fished the wires to the aft passenger pillar, had to unbolt rack to fish and drill through roof being careful to only go about 1/8 depth into the roof to stay above liner and in between the roof wall, then with safety wire fished down and sent wires to front of cabin along inner panels. proceeded to do the same on 50 inch curved led light bringing all 4 wires down through front passenger pillar and out near glove box, being meticulous the whole time with detail, tie wrapping and making it look custom,. installed switch kit wiring harness sold on ebay for 13.00 and wallah. Sealed all roof rack and roof access holes. here are some pics.
When you did the front led. What clamps did you use to mount it? Also, is the factory wire harness located on the passenger side? Thanks
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