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CIRCUIT DIAGRAMS B-179 HEATER AND MANUAL AIR CONDITIONER (See P.B-174,180.) OPERATION When the ignition switch is turned “ON”, the blower relay is energized. If the blower switch is turned “ON” (LO, ML, MH, or HI position) in this condition, the blower is activated through the circuit via resistor at a speed corresponding to the blower switch position. TROUBLESHOOTING HINTS and not energized at another. Check resistor. D Check blower switch. 2. Blower motor is energized only when switch is positioned in HI. Check resistor. |