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Old May 20, 2014 | 06:57 PM
  #46  
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I just found this thread doing a search for doing driving lights install and had a quick question.

I got some conflicting info awhile back. I'm installing driving lights and I have upfitter switches. My question is, I can just install the lights and use a switch with the proper amperage without having to add a second relay, correct?
 
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Old May 20, 2014 | 09:00 PM
  #47  
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Yes, if such a switch exists. But you're bringing that amount of amperage into the cab with you. Some people are comfortable with that, but some aren't. Personally, I think it's fine.
 
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Old May 21, 2014 | 05:27 AM
  #48  
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I thought the upfitter switches already had relays?
 
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Old May 21, 2014 | 05:58 AM
  #49  
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I thought they were simply switched rated for a particular amperage. But I could totally be wrong in that regard.
 
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Old May 21, 2014 | 07:04 AM
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Originally Posted by redford
I thought the upfitter switches already had relays?
They do have relays in the circuit, that's why I asked. Someone mentioned to me that it would be advisable to add a second relay, but I thought that would be over kill. In the upfitter switch circuit are relays for each switch already.

Thanks,
 
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Old May 21, 2014 | 12:52 PM
  #51  
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Absolutely unnecessary to add more relays unless you're going for some extremely high amperage piece of equipment.
 
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