TM 9-2320-209-20-3-1 7-62. TRAILER ELECTRICAL RECEPTACLE REMOVAL AND REPLACEMENT (TRUCKS M275A1 AND M275A2). TOOLS: 7/16-inch wrench (2) Soldering iron Supplies: Solder Personnel: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. 1. Using 7/16-inch wrenches, unscrew and take off two nuts (1) and protector cover (2). Take out two screws (3). GO TO FRAME 2 7-236