Lowrance Power Cable Help

[cruizer]

Just bought a couple 105c's. The power cable has 3 seperate cable leads.(1) blk,red,wht.(2)blk,red,silver exposed.(3)blu,yllw,org,silver exposed. Which set do I use to power unit?

[macinckirk]

# 1

[Gene Buchholz]

Tie the two blacks and the two reds together and run them to you power source, blacks to the negative post and the red to the positive post. ignore the third set of wires.