Accessory Power Circuit

Alibuma

New Member
Jun 24, 2009
140
Hudson, WI
Boat Info
250 Sundancer, 1973
Glastron GT-140
Engines
350 Merc
Has anybody ran a supplemental wire to their dash to run the accessory power circuits? I find at night when I am running multiple accessories (blower, running lights, stereo, dash lights, cockpit lights, cabin lights, spot light) that my gauges become extremely inaccurate. Further, the line-loss drops my dash gauge voltage below 11 volts. I have taken voltage readings at the battery and I am confident the alternator is putting out(14v). The low voltage is causing my depth finder to intermittently turn off. As a solution, I thought about running another wire for the accessory circuits. Any thoughts?
 
You could separate the accessory circuit, but you'll have to run two wires; one for the +12V supply from the battery and a wire to the negative terminal for return. That might be your problem now is that one or both of your supply/return wires is not big enough or one of them has a bad or loose connection. Take some more voltage readings and see if you can find where most of your voltage is being lost.

Larry
 

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