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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Alternator Wiring Upgrade

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Old Jul 9, 2014 | 03:51 PM
  #1  
bcfarmer's Avatar
bcfarmer
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Alternator Wiring Upgrade

Just purchased a DC Power 270XP and their wire upgrade kit. I was a little confused on how the wiring goes.
The 6.0 Wire Kit came with the Following:
One 4'11" Red Cable
One 4'11" Black Cable
One (about) 16" Red Cable
One Fuse Holder
I for the life of me cannot figure out how to connect it all together. I was told it connect to the passenger side battery. I would think (and I could be way off) that the 4' 11" red would be from the passenger side battery to the driver side battery but then I would be one cable short to connect to the fuse holder and the battery from the alternator. 4'11" seems long to go from the alternator to the fuse holder as I would have all kinds of slack left over. If anyone has installed this kit if you have pictures I would appreciate you posting them.
 
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Old Jul 10, 2014 | 11:15 AM
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schmidt64
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From: BC, Canada
The fuse between the two batteries may not be necessary. You also need to run matching ground cables from each battery to a clean spot on the frame and don't be afraid to shorten the cables for a better fit.





 
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Old Jul 10, 2014 | 11:38 AM
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WatsonR
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And the big question..... Did you notice anything? Higher voltage readings, batteries lasted longer than 4 years, that kind of stuff.

Picture looks like your +>+ and ->- on both batteries with a wire running to the ALT with a couple fuses... that correct?
 
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Old Jul 10, 2014 | 12:51 PM
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bcfarmer
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That is kind of how I thought it should go but with the kit they sent me I don't have the cable for it. I will give them a call and see what they have to say about it.
 
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Old Jul 10, 2014 | 03:05 PM
  #5  
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schmidt64
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That's not my truck, it's just a similar setup. I have a cable going from the alternator charging post to a 300A fuse then to the + on the passenger side then over to the + on the driver side. For the grounds, all I have is a cable going from the - post on each battery down to a bare metal spot on the frame. It won't affect voltage, just allows higher current to pass easily in to the batteries. I've only had it installed for a few months so I can't comment on battery life.
 
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Old Aug 11, 2014 | 10:34 AM
  #6  
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WatsonR
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From: Virginia Beach VA
Any updated info would be appreciated.

I too bought the DC Power cable upgrade.. they are to short! That and the three weeks for delivery... not happy.

They would fit if running the cable straight across the engine... not doing that, would look like crap!

thanks!
 
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