My Charger only wire has Brn, Blu, open, open, open, open
My Signal/Charger wire has Red, Blk, Blu, Brn, open, open.
All wires start at the right of the connector as shown in the picture. Note the lip sticking up where the wires go into the connector.

Here is a picture of my signal generator/charger unit. Note that the wire color change from what is used with the Over-winter Charger cable.
In the picture Red and Black would correspond to Brown and Blue in the charger cable picture. The center two (Lite Blue and Lite Brown are the signal wires.
Also note that the connector orientation has changed from one picture to the other.
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