Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

wire fog lights/driving lights to headlights?

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Old Mar 28, 2013 | 08:44 PM
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Default wire fog lights/driving lights to headlights?

I got my bumper cover replaced today and had the shop toss the fog lights into my trunk in case this is possible. Can I wire the fog lights/ driving lights to be on when the headlights are on? If so what would I need to tap into to have them run on the same relay.

Its a 95 ex coupe BTW.
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Old Mar 28, 2013 | 08:50 PM
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Default Re: wire fog lights/driving lights to headlights?



You can use one of these. It's called a wire splice, and basically it will take one wire, and branch it off into two wires. You'd take a second wire, and then clip both wires into this wire splice, thus creating a "new" positive wire for the foglight. I just saw this setup on my girlfriend's sister's car, also for fog lights. Just be sure to use the positive wire coming from the headlight on each side..that way when you turn the headlights on, the fog lights will follow. Pick up the wire splice at an AutoZone and the wire at Home Depot..super easy.
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Old Mar 28, 2013 | 08:53 PM
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Default Re: wire fog lights/driving lights to headlights?

Anyone else agree with this?^
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Old Mar 29, 2013 | 12:36 AM
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Default Re: wire fog lights/driving lights to headlights?

Originally Posted by Koko4


You can use one of these. It's called a wire splice, and basically it will take one wire, and branch it off into two wires. You'd take a second wire, and then clip both wires into this wire splice, thus creating a "new" positive wire for the foglight. I just saw this setup on my girlfriend's sister's car, also for fog lights. Just be sure to use the positive wire coming from the headlight on each side..that way when you turn the headlights on, the fog lights will follow. Pick up the wire splice at an AutoZone and the wire at Home Depot..super easy.
you're a dumbass
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Old Mar 29, 2013 | 12:39 AM
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Default Re: wire fog lights/driving lights to headlights?

you need to use a relay,unless you want to overload your headlight circuit, you can wire power from your headlight circuit through a switch and use it to switch the relay on and off, power for the lights comes from the battery through a fuse and goes through the relay to the lights, do some searching online, there are plenty of circuit diagrams online for how to do this
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Old Mar 29, 2013 | 01:44 AM
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Default Re: wire fog lights/driving lights to headlights?

Splicing into the factory line is the worst idea possible. Those lines are fused for a specific wire size and power feed, and if you go adding more **** to it, you'll only blow fuses (best case) or light wires on fire (worst case).

Properly wiring fog lights isn't hard at all. Like lost said, there are plenty of diagrams out there showing you how to do it. If you really just want to ghetto rig it, run a fused wire off the battery to a switch in the passenger compartment, then another wire off that to the fogs. You'll be able to turn them on/off, but you'll have to remember to turn them off or they'll drain your battery. Also, wiring them like this is illegal in most (if not all) localities. You could also wire them to an ignition wire, but the legality point still stands. Legally speaking, they can only be on when your headlights are on, and when you turn your high beams on, they have to turn off. That's why there's a relay involved - it automates this process.
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Old Mar 29, 2013 | 04:19 AM
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Default Re: wire fog lights/driving lights to headlights?

jbpnoman...this is the reason why i love living in GA. this is the state where anything goes. i never got in trouble for having my highs and fogs both on at the same time. out here where i live, its a must if you want to see! out in BFE, its a must to have bright lights if you want to avoid any deer or any other animal.
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Old Mar 29, 2013 | 04:29 AM
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Default Re: wire fog lights/driving lights to headlights?

OP, you should follow Koko4's advice, that way you can gain plenty of experience replacing fuses and repairing wiring.

Seriously, Your main wiring harness has the wiring to do it like OEM, take the time and do it right.

Way back in 86 i bought my then new wife a CRX without air. Couldn't afford the extra $1200. Got the dealer install kit form Honda for half that. Every bit of wiring was already there I literally just had to bolt on and plug in the parts.
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Old Mar 29, 2013 | 05:00 AM
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Default Re: wire fog lights/driving lights to headlights?

In 94/95 EX's the cabin wiring should already be there (I pulled it out of one when I was hunting wiring for another project) There is a blue wire that comes from the cabin outwards to a relay or something under the hood. Probably to the underhood relay rack. The aftermarket harnesses do not have the OEM behavior, instead, the fog lights are on whenever you have the switch on and your headlights/parking lights are on.
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Old Mar 29, 2013 | 05:04 AM
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Default Re: wire fog lights/driving lights to headlights?

Originally Posted by Ej2guy28
jbpnoman...this is the reason why i love living in GA. this is the state where anything goes. i never got in trouble for having my highs and fogs both on at the same time. out here where i live, its a must if you want to see! out in BFE, its a must to have bright lights if you want to avoid any deer or any other animal.
You obviously don't understand the purpose of fog lights.
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Old Mar 29, 2013 | 05:08 AM
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Default Re: wire fog lights/driving lights to headlights?

Post pictures of when your wiring melts and starts an engine fire.
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Old Mar 29, 2013 | 05:14 AM
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Default Re: wire fog lights/driving lights to headlights?

I knew kokos advice sounded incorrect. The main reason I asked is because I'm unsure if all the connectors that are on it work because they were just hanging/scraping the ground when the P/O had it. So if that's the case it sounds like the safest route is to just get new lights.
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Old Mar 29, 2013 | 05:18 AM
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Default Re: wire fog lights/driving lights to headlights?

Just look over the wiring. As long as the wires themselves aren't damaged, you should be fine to roll with it.
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Old Mar 29, 2013 | 05:23 AM
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Default Re: wire fog lights/driving lights to headlights?

Thanks jpb.
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Old Mar 29, 2013 | 05:46 AM
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Default Re: wire fog lights/driving lights to headlights?

I found the reason why they don't work.



Hahahaha. All joking a side though the wiring on the lights themselves seems intact and the connectors are OK.
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Old Mar 29, 2013 | 06:00 AM
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Default Re: wire fog lights/driving lights to headlights?

Yeah man, no reason not to just roll with them then. If you want to throw them away...I'll pay shipping, just sayin'
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Old Mar 29, 2013 | 06:12 AM
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Default Re: wire fog lights/driving lights to headlights?

If I throw them away it'll be into a trash can. One of the plastic coverings is broken off like so:

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Old Mar 29, 2013 | 06:13 AM
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Default Re: wire fog lights/driving lights to headlights?

pfft, you act like I care...nothing a little bit of time and money can't fix.
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Old Mar 29, 2013 | 06:18 AM
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Default Re: wire fog lights/driving lights to headlights?

Is it possible to buy a replacement cover? I can't even seem to remove the rest of the broken one without risk of breaking the light itself.
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Old Mar 29, 2013 | 06:30 AM
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Default Re: wire fog lights/driving lights to headlights?

Well, it had to be put together somehow, so it has to be possible to take it apart. It's just a question of what's held on with screws, and what's held together with glue. Also, a question of where to find a replacement piece, which is probably next to impossible short of having one custom made.

If they were mine, I'd be researching what size projectors are similar and retrofitting them.
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Old Mar 29, 2013 | 06:34 AM
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Default Re: wire fog lights/driving lights to headlights?

Thanks for the tip, I'll start tinkering.
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Old Mar 29, 2013 | 06:44 AM
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Default Re: wire fog lights/driving lights to headlights?

Yep. Now you have me thinking. Would you mind taking a tape measure to the lens, as well as the shroud, and getting some OD measurements for me?
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Old Mar 29, 2013 | 06:46 AM
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Default Re: wire fog lights/driving lights to headlights?

OD measurement's?
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Old Mar 29, 2013 | 06:52 AM
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Default Re: wire fog lights/driving lights to headlights?

outer diameter measurements. From one side to the other of the lens itself, as well as the gray round thing (the shroud) around it.
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Old Mar 29, 2013 | 06:54 AM
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Default Re: wire fog lights/driving lights to headlights?

OK I'll get those to you in about 20 minutes
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