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Old 03-08-2011
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Second set of driving lights

OK guys-I need some help with this one...Buggman, Rwenzing, others.
I currrently have a pair of KC Slimlites 100W driving lights wired up using a factory foglight switch (my write-up is in the How to section). I'm wondering if there is a way to add a second set of 100W lights without adding another switch--can I use the existing relay to "trigger" a second relay to power the second set of lights? The lights would be wired separately-dedicated ground, power, ect.-but would (hopefully) come on with the existing second switch--all 4 would be on with high beams when switch is on.
Am I asking for too much with this one?
Thanks as always for the help.
MikeR

Last edited by VH5150; 03-11-2011 at 07:08 PM.
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Old 03-11-2011
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Anyone?
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Old 03-11-2011
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I have two sets of KC's and I have both relays swithed on by a switch, and then when another switch is on, the brights turn them on. If what you mean by have one relay turn on the other is what i think, i would say dont. Just have both relays turned on with the same source. Know what I mean? Parellel not series I guess is the best/shortest way to describe it.
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Old 03-11-2011
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take the trigger line to the first relay and split it so it triggers both at the same time.
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Old 03-11-2011
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Don't know how I missed this thread.

If you have the oem fog switch conversion done already, you can use the trigger wire (pin 87 on the conversion relay I believe) to trigger as many other relays as you want.
Just run the original trigger wire from the 1st relay over to the relay for your new lights & wire them as normal and they'll all come on at the same time.
The only downside is that BOTH sets of lights will either be on of off at the same time.

You could get a little fancy and install an on/on/on switch on the relay trigger wire behind the bezel & run a 2nd trigger wire through the firewall to the relays... that way you could switch between fogs A & fogs B or both fogs while still using the OEM fog switch to activate the "main" power to them all.
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Old 03-12-2011
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Thanks guys-
I got to thinking about this again at work today, and I came up with the same solution-"split" the trigger wire from the fog switch. Thanks for the confirm.
MikeR
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Old 03-12-2011
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just an FYI don't know your state law but here is something i was dinged for a few years back.

According to the Michigan Vehicle Code, "(5) When a motor vehicle equipped with head lamps as required in this section is also equipped with auxiliary lamps or a spot lamp or any other lamp on the front of the motor vehicle projecting a beam of an intensity greater than 300 candlepower, not more than a total of 4 of those lamps on the front of a vehicle shall be lighted at a time when upon a highway.

I did get a ticket for running extra light well on the highway.
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Old 03-12-2011
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Yeah-I'm not sure what Vermont's law is, but I only run them on back roads or on the open highway when there are no other vehicles around. With just the 2 that I have now, it's REALLY bright. Vermont's big thing is-if you have lights on your vehicle, they ALL have to work.
MikeR
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