Wiring up Light Force 240 Blitz's
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Laughing Gas
Joined: Apr 2005
Posts: 858
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From: VA
Wiring up Light Force 240 Blitz's
I'm hoping someone with a litle wiring knowledge or experience can help me out. I'm getting ready to purchase 1 maybe 2 sets of the Light Force 240 Blitz's. My question is do I need to purchase the wiring harness for the lights or not. I have an '06 with the upfitter switches. I know that the harness you can purchase for the lights has a 30 amp relay and switch, but seeing how I already ahve the upfitter switches (1 and 2) with 30 amp relays on each wouldn't it just be a waste of money?
If any one has wired up lights to their #1 or #2 switch some insight would be great!!
As my truck is now, I have the factory fog lights on my truck (activated by the lamp switch) When I go to high beams my fog lights turn off, then turn on when I go back to low beams. What my intention is is to wire the 240 blitz's to my high beam circuit. That way when I switch to low beam they turn off, but will turn back on when I go back to high beam. I totally enable/disable the circuit by flipping my upfitter switch on/off.
If any one has wired up lights to their #1 or #2 switch some insight would be great!!
As my truck is now, I have the factory fog lights on my truck (activated by the lamp switch) When I go to high beams my fog lights turn off, then turn on when I go back to low beams. What my intention is is to wire the 240 blitz's to my high beam circuit. That way when I switch to low beam they turn off, but will turn back on when I go back to high beam. I totally enable/disable the circuit by flipping my upfitter switch on/off.
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Joined: Jan 2001
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From: Virginia
If you want to use the upfitter switch, and also have the highbeam control the lights too, you will need to buy and add another 30 amp relay.
Normally you could use one relay with a switch that is fed from the highbeam circuit. But your upfitter switches are fed from the ignition switch. So the highbeams can't be wired through the upfitter switch.
So what you will end up doing is wiring the upfitter relay to another relay. The upfitter relay will come on when the upfitter switch is turned on, but the next relay will not come on until the highbeams are on. The coil for the 2nd relay is wired into the highbeam wire.
Normally you could use one relay with a switch that is fed from the highbeam circuit. But your upfitter switches are fed from the ignition switch. So the highbeams can't be wired through the upfitter switch.
So what you will end up doing is wiring the upfitter relay to another relay. The upfitter relay will come on when the upfitter switch is turned on, but the next relay will not come on until the highbeams are on. The coil for the 2nd relay is wired into the highbeam wire.
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Laughing Gas
Joined: Apr 2005
Posts: 858
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From: VA
Thanks for the help Franklin. I thought thant's what I might have to do, but just needed some reassurance. The reasoning behind the wiring it into the HB circuit is that when I go to low beam they will turn off with a simple flip of the HB switch instead of fumbling with flipping the Up fitter switch. Majority of the truckers up here run the Light Force Lights on their rigs in the same manner. Also most of the State Road Maintaince and the State Police run them also in the same manner.
