TM 9-2320-209-10-1 FRAME 13 1. Pull back and hold cap (1) of trailer electrical receptacle (2). CAUTION When plugging the tractor electrical cable connector (3) into the trailer receptacle do not force the connector. Forcing the connector could damage pins. 2. Plug tractor electrical cable connector (3) into trailer receptacle (2). 3. Let lip (4) on trailer receptacle cap (1) go into slot (5) in cable connector (3). GO TO FRAME 14 4-229