I have a 1996 lund just got a new 24v minn kota with 2 wires red & black plug on my boat has 4 wires red orng blk & blk with a blue line the red is 12v orgn 12v the batts look like there not running in series 1 batt to red 1 to orng can I get 24v 2 wire at the plug with out having to change...