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  #1  
Old 03-04-2014, 06:59 PM
Tony 84S&S Tony 84S&S is offline
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Join Date: Sep 2013
Boat: 1984 Mastercraft Start & Stripes, 351W
Location: Norcal
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Where to run alternator wire 84 stars and stripes? Putting in stereo

I'm putting in a stereo and I'm going to upgrade the original 35 amp alternator and will be putting in a 105 amp from DB electrical (after reading on here for a bit this seems to be the one everyone goes with) and everyone is saying upgrade the wire to 4 gauge. I can't seem to figure out where the wire needs to be ran, I thought people where saying it needed to be ran to the breaker but when I follow the wire from the alternator it runs back toward the dash somewhere.

Tony
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  #2  
Old 03-04-2014, 08:04 PM
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clrussell clrussell is offline
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Boat: 1990 mastercraft p190
Location: midwest
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If your talking about the charge wire just run it to the battery or the battery lead on the starter, should fix ya up nice. Love your s&s btw!
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  #3  
Old 03-04-2014, 08:14 PM
Xjet2011 Xjet2011 is offline
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Join Date: May 2012
Boat: Previously owned 1986 Skier. Current boat 1990 Prostar
Location: S florida Lake Okeeheelee area
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Not sure running it to the starter is correct. I would think running it to the battery or the Starter solenoid would be ok. Same terminal on the Solenoid that the lead from the battery goes to.
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Old 03-04-2014, 11:48 PM
Tony 84S&S Tony 84S&S is offline
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Join Date: Sep 2013
Boat: 1984 Mastercraft Start & Stripes, 351W
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So I would be fine just running the charge wire directly from the alternator to the starter? Where does it run now?
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  #5  
Old 03-05-2014, 06:08 AM
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CantRepeat CantRepeat is online now
 
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Here is the 351 wiring diagram, hope it helps.
Attached Images
File Type: pdf 351 DIAGRAM.pdf (105.2 KB, 75 views)
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Last edited by CantRepeat; 03-05-2014 at 06:22 AM.
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  #6  
Old 03-05-2014, 06:49 AM
Xjet2011 Xjet2011 is offline
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Boat: Previously owned 1986 Skier. Current boat 1990 Prostar
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1. Find the positive cable from the Battery.
2. connect the wire from the Alternator to either end of the cable you found in step 1.
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  #7  
Old 03-05-2014, 06:51 AM
Xjet2011 Xjet2011 is offline
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Boat: Previously owned 1986 Skier. Current boat 1990 Prostar
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I just installed one on my 1990 last month from DB Electrical. You will likely also have to drill out the mounting hole on the alternator a bit larger for the existing bolt to fit thru it.
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