TM 9-2350-277-20-5REPLACE M3 NBC HEATER WIRING HARNESS (M1059A3 ONLY) — Continued 0806 00INSTALLATION1. Lay out NBC heater wiring harness in vehicle.2. Connect circuit lead 537B (21) to commander’s heater controller (22).3. Connect circuit lead 537A (19) to driver’s heater controller (20).4. For M1059A3 only, connect circuit lead 537D (17) to operator’s heater (18).5. Connect circuit lead 537C (15) to air filter ON lamp (16).6. Connect circuit lead 579C (13) to air filter switch (14).0806 00-3
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