i got a lowrance x88 and it had no wiring instructions. i need to know how to wire up the power cord. it has three sets of wires comeing out of the one plug, one has a small red and black and bare wire, the other has a small blue, yellow, orange, and bare wire, and the last set are bigger and it has a red, white, and black wire. the small red,black and bare wire has a tag that says mnea 2000 power and the blue , yellow, orange, and bare say rs-232 comm. i do not know where these wires go . thanks for any help.