12v Power source for Hellas - Defender Source
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  #1  
Old January 10th, 2010, 11:07 AM
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Justin Tebbenkamp
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12v Power source for Hellas

Where's a good 12v power source in the engine bay. Don't want to connect to existing lights! Or would it be best to run to the battery? thanks....j
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  #2  
Old January 10th, 2010, 12:13 PM
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Scott
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I would run the wires back to the battery. You have to pull wires into the cabin anyways for the switch.
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Old January 10th, 2010, 12:25 PM
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100% agree with woldd90. Run your power straight from the battery and don't forget to shield the wiring.
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Old January 10th, 2010, 01:18 PM
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Charles Galpin
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Get yourself a distribution panel for you accessories to keep your wiring to the battery clean. Search for blue sea here for the kind most people get. I can't recall the model I have.
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Old January 10th, 2010, 07:28 PM
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Justin Tebbenkamp
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charles...is this what you're talking about http://bluesea.com/category/5/21/productline/126

if so I guess I should get the 12 vs 6 circuit?
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Old January 10th, 2010, 09:00 PM
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Charles Galpin
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Yes thats it. Count the number of devices you might have, but I went with the 12 just to be safe.
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Old January 10th, 2010, 09:09 PM
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Rich Campbell
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4000

I ran mine right to the battary. I like this better because you can run them anytime because they aren't wired inti the lights. I used the hella 4000 wireharness...had a relay but I can't remember if it had a fuse or not.
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Old January 11th, 2010, 02:50 PM
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Justin Tebbenkamp
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Does it matter if I have a neg bus or not? As far as a neat/clean factor I guess it would it be better to run the grounds back to the neg bus on this vs just anywhere?
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Old January 11th, 2010, 03:10 PM
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Charles Galpin
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I use the negative bus and run a ground wire back for everything.
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Old January 11th, 2010, 04:40 PM
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Julien Dalbin
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As we are into this, what section (square mm) of wire i
should use to supply Hella 4000 euro beam ?
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Old January 11th, 2010, 05:25 PM
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Charles Galpin
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I believe those are 100 watts, so 100 Watts/12 Volts = 8.33 amps

According to this chart, I would use 12 AWG or thicker when using 10ft as the one way length from the battery to the lights.

http://www.powerstream.com/Wire_Size.htm

This chart gives the cross section size of the wire as well if needed.

hth,
charles
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Old January 11th, 2010, 06:46 PM
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Quote:
Originally Posted by Campbell View Post
I ran mine right to the battary. I like this better because you can run them anytime because they aren't wired inti the lights. I used the hella 4000 wireharness...had a relay but I can't remember if it had a fuse or not.
I ran mine straight back to the battery on my series III so I could use them all the time. Then this one time while I was at knotts Berry Farm with the cat in the car (too lazy to drive all the way home to drop him off) he put his paws on the dash to look around I guess and flipped the switches on. The plastic covers melted off the lights. For some strange reason I was compelled to go back to the truck after walking halfway just to check up on him and thats when I knew what he must of did. Luckily because I came back the batteries didn't die. I still miss that cat.
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