hard to describe...
but i have the connector, and could make you a cable...
really 12V constant and 12v switched should be BOTH wired to constant, since my cable controls power
view looking drirectly at the front onf the connector that plugs in, clip at top
1 & 2 = 12v
3 = gnd
this is from memory, i can confirm later, someone who is looking at it can confrim