Pollak 7 pin round trailer plug wiring diagram
Pollak Wiring - PK11700. Establish a secure connection between your trailer and semi or other tow vehicle with this heavy-duty, 7-pole plug. Plug has round brass pins to ensure minimum voltage drop
and pull grips for easy insertion and removal. Video Transcript for Pollak Wiring - Trailer Connectors - PK12907 Review. today we'll be reviewing part number PK12907. This is the Pollak 9-pole round pin trailer socket.
This is the 2” receiver portion of the hitch which bolts on to the frame of your tow vehicle. The hitch head slides into this receiver and there is a pull pin and safety pin which secures it to the hitch. The switch from Stage 1 to 2 occurs seamlessly and happens when the battery reaches the set voltage limit. The current begins to drop as the battery starts to saturate; full charge is reached when the current decreases to 3–5 percent of the Ah rating.