Direct Wiring Fog Lights To Headlights - Hyundai Forums : Hyundai Forum
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#1 Old 07-25-2011, 06:14 PM
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I bought the grill and both fog lights from partsgeeks...rather cheap too, less then $90 shipped. Hope it's not "you get what you pay for" quality.

Anyway, my plan is to wire directly to the low beam head lights and bypassing the switch so the fogs come on whenever the low beam headlights are on. I know I need a wiring harness which I can buy from ebay...is there one in particular I need? I found this one: http://cgi.ebay.com/ebaymotors/ws/eBayISAP...id=250175296774 There seems to be a lot for sale with different prices. Someone recommend a cheaper one that will still do the job, short of making my own.

Also, I found this diagram to wire up the fog lights. Just want to make sure this will work before I start tapping wires. In the pic is shows a switch between the + Low Beam to Pin 85 on the relay, I plan on omitting the switch and run the wire direct. Or maybe someone knows an easier method for my '09 Accent GS?

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#2 Old 07-25-2011, 07:32 PM
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Make sure you use a multimeter, I know some of the stuff on our cars are ground activated. Meaning Pos. is always hot.

2008 Hyundai Accent GS 2dr/hatch (Kenwood DNX6960, MTX Sub, and various Hyundai Accessories)
2008 Hyundai Elantra SE (wife's car)
1996 Ford Bronco 351w

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#3 Old 07-28-2011, 02:28 AM
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You really don't want to go with an easier way because then it leaves room for error and malfunctions.
The wiring diagram is the correct and perfect way to do it.


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#4 Old 07-28-2011, 12:34 PM
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QUOTE (NotNoV8 @ Jul 25 2011, 06:14 PM)
Quote:
I bought the grill and both fog lights from partsgeeks...rather cheap too, less then $90 shipped. Hope it's not "you get what you pay for" quality.

Anyway, my plan is to wire directly to the low beam head lights and bypassing the switch so the fogs come on whenever the low beam headlights are on. I know I need a wiring harness which I can buy from ebay...is there one in particular I need? I found this one: http://cgi.ebay.com/ebaymotors/ws/eBayISAP...id=250175296774 There seems to be a lot for sale with different prices. Someone recommend a cheaper one that will still do the job, short of making my own.

Also, I found this diagram to wire up the fog lights. Just want to make sure this will work before I start tapping wires. In the pic is shows a switch between the + Low Beam to Pin 85 on the relay, I plan on omitting the switch and run the wire direct. Or maybe someone knows an easier method for my '09 Accent GS?

The Accent uses a ground switched electrical system. This diagram is designed for a positive switched car. You should connect 85 to 30 and connect 86 to the low beam wire (which would be a switched ground in the Accent's case) and dump the switch. The rest is correct.

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#5 Old 07-31-2011, 06:26 PM
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NotNoV8
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QUOTE (burnitwithfire @ Jul 28 2011, 11:34 AM)
Quote:
The Accent uses a ground switched electrical system. This diagram is designed for a positive switched car. You should connect 85 to 30 and connect 86 to the low beam wire (which would be a switched ground in the Accent's case) and dump the switch. The rest is correct.
Thanks burnitiwthfire...when you say connect 85 to 30...just use a jumper wire connected to those 2 pins?
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#6 Old 07-31-2011, 08:18 PM
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the following is my post from courtesy light topic. Should work for you, the 12v constant will come from the headlight harness, and pin 85 will connect to the neg headlight wire.



Courtesy light wiring figured out. Now hardwired to work off the door jamb switch. The switches are ground activated. Meaning when door is opened, the switch grounds to complete the circuit.

Items used:
4 Pin relay
LED strips from Advance Auto
Wire and Connectors
Add-A-Fuse (mini)

Inside driver kick panel you will see the blue junction box shown in picture. On the right side of it there are two solid green wires plugged into the same slot. These are the door jamb switch grounds. Verified with multimeter.

Find where you want your lights, mount them and run all wires in the direction of the kick panel.

Get your relay and start connecting. Don't forget to disconnect the negative battery lead.

Pin 30 - Connect 12v constant power to this Pin. Use the Add-A-Fuse to connect to a constant 12v in the fuse box. I used the hazard light fuse.
Pin 85 - Tap into the door jamb switch grounds and run a short wire to this Pin.
Pin 86 - Jump 12v constant power from Pin 30 to this Pin.
Pin 87 - Connect your lights 12v positive line to this Pin.

Pins 86(12v constant) and 85(door switch ground) activate the relay by completing a circuit. When relay is activated Pins 30(12v constant) and 87(lights positive) connect and supply your lights with the needed power.

Ground your lights, right beside the junction box there are threaded holes already there. Just go through your junk draw and find one that fits.

Reconnect your negative battery lead.



Congrats your courtesy lights are now working off the door switches.

2008 Hyundai Accent GS 2dr/hatch (Kenwood DNX6960, MTX Sub, and various Hyundai Accessories)
2008 Hyundai Elantra SE (wife's car)
1996 Ford Bronco 351w

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#7 Old 07-31-2011, 09:53 PM
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QUOTE (NotNoV8 @ Jul 31 2011, 06:26 PM)
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Thanks burnitiwthfire...when you say connect 85 to 30...just use a jumper wire connected to those 2 pins?
Yep. Both pins need 12V.

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#8 Old 07-31-2011, 10:22 PM
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QUOTE (NotNoV8 @ Jul 25 2011, 06:14 PM)
Quote:
I bought the grill and both fog lights from partsgeeks...rather cheap too, less then $90 shipped. Hope it's not "you get what you pay for" quality.

Anyway, my plan is to wire directly to the low beam head lights and bypassing the switch so the fogs come on whenever the low beam headlights are on. I know I need a wiring harness which I can buy from ebay...is there one in particular I need? I found this one: http://cgi.ebay.com/ebaymotors/ws/eBayISAP...id=250175296774 There seems to be a lot for sale with different prices. Someone recommend a cheaper one that will still do the job, short of making my own.

Also, I found this diagram to wire up the fog lights. Just want to make sure this will work before I start tapping wires. In the pic is shows a switch between the + Low Beam to Pin 85 on the relay, I plan on omitting the switch and run the wire direct. Or maybe someone knows an easier method for my '09 Accent GS?

Yes your car is power to headlights at all times and they are earthed when either the high or low beams are chosen. You will need to have battery power at 30 and either battery or ignition on power at 85. I prefer it to have power when ignition on as if the relay has any troubles then you won't have lights that you can't turn off.
You also need to be sure of regulations for extra lights in your country as fog lights are usually wired into the low beam and have to have a separate switch. As driving lights are wired into the high beam and also have to have a separate switch. They can not be turned on when the other beam is used.

]Noel From VANUATU
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#9 Old 08-06-2011, 07:35 PM
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NotNoV8
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QUOTE (burnitwithfire @ Jul 28 2011, 11:34 AM)
Quote:
The Accent uses a ground switched electrical system. This diagram is designed for a positive switched car. You should connect 85 to 30 and connect 86 to the low beam wire (which would be a switched ground in the Accent's case) and dump the switch. The rest is correct.

If I understand the wiring diagram

30 Hot (Battery)
85 Hot in ON
86 Low Beam Wire or Running Light
87 Fog lights Positive wire

There isn't going to be an issue if I pigtail 86 to the running light wire instead of the low beam wire?
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#10 Old 08-14-2011, 01:43 AM
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NotNoV8
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I tried wiring up my fog lights this evening and something is not wired up correctly. I wired it up at stated below

30 Hot (Battery)
85 Hot in ON [b]<---I temp wired this to the battery with Pin 30 just to make sure it was working before running through the firewall to the fuse box
86 Low Beam Wire or Running Light [b]<--- I wired this pin to the positive wire on the side yellow running light
87 Fog lights Positive wire

Here what happens....the fog lights are on without the key even in the ignition. When I turn the head/running lights on the fog lights turn off. Do I have Pin 86 hooked up wrong?
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