TM 9-2320-209-20-3-1 7-67. HYDRAULIC STOPLIGHT SWITCH REMOVAL AND REPLACEMENT (ALL TRUCKS EXCEPT MODELS M275A1 and M275A2). TOOLS: 1-inch open end wrench Diagonal pliers Wire strippers Hand crimping tool SUPPLIES: Waterproof electrical repair kit, pn H020-5701060 (used only when replacing type 7760414 switch with type 7064588) Drip pan PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. CAUTION Make sure that MAIN light switch is set to OFF position. NOTE Place drip pan under truck to catch hydraulic fluid. FRAME 1 1. From under truck, check type of stoplight switch (1 or 2) as shown below. GO TO FRAME 2 FOR STOPLIGHT SWITCH (1), PN 7064588. GO TO FRAME 3 FOR STOPLIGHT SWITCH (2), PN 7760414 7-257