TM 9-2350-247-20-3REPLACE ENGINE COOLANT HEATER WIRING HARNESS — Continued 0473 00INSTALLATION1. Install new grommet (1) on coolant heater wiring harness (2). Install wiring harness and grommet in hull.2. Secure control box ground lead (3) and coolant heater wiring harness (2) to hull with 9 clamps (4), 10 new lock washers(5), and 9 screws (6).3. Connect connector (7) to slotted washer (8) and circuit 400A lead (9) and connector (10) to control box (11).4. Connect connector (12) to coolant heater (13).5. Secure ground lead (14) to mount (15) with screw (16), nut (17), and two new lock washers (18).6. Connect circuit 402A lead (19) to connector (20).7. Secure circuit 402A lead (21) to coolant pump (22) with washer (23) and nut (24).8. Place protector (25) over circuit 402A lead (21).0473 00-3
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