Today we are going to do a review of the 7 pole connector from Pollak, part number PK12707. The outside of this plug is constructed of black plastic, and the interior has a noncorroding, shock resistant design. The plug features some terminal reinforcement dams that help eliminate shorting. The lid is spring loaded with a stainless steel spring, and also features a safety latch to ensure yo are fully connected to your trailer. Now lets take a look inside this connector and show you how to wire in the plug. :28
To wire our 7 way plug we want to first remove the two screws that are holding the inner section inside the connector. Just open up the lid and pop the center section out. Next we can go ahead and our wire in the back of the connector. You will see that there is a set screw here that allows us to adjust the tightness of the wire at the back of the connector. This connector will accept up to a 7 wire bonded cable. :54
I am going to loosen that up a little bit and our wires. And then we just want to wire in our wires to the coinciding pins here on the inside of the connector. You will notice that the pins are labeled with colors and numbers as well. That is going to help us decide what position we want to put each coinciding wire with. On a factory set up 7 pole, the brown pin is going to be for the right turn, right brake. The blue is for electric brakes. White will be our ground. Red will be you left turn, left brake. Green will be your running lights. Black will be your 12 volt hot lead. The center pin is typically the reverse lead. 1:36
To wire the wires into the connector we want to take phillips head screw driver and release the screw. We can even wire the corresponding wire directly by striping back the jacketing. We can either connect the wire to the plug by simply stripping off the jacketing and sliding it into position and tightening it down. Or we can use a spade connector, which will help clean up the wires inside here and keep them from accidental shorts. We want to repeat that process for all seven wires if used. Then we can just go ahead and re the middle section back into the 7 pole. You will notice that there is a little notch here at the bottom it, that is going to align with a little indentation on the inside of the connector, that will help us line it up so we know we are doing it correctly. There you have it for the 7 pole connector truck end, part number PK12707 from Pollak.
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