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8 CHECK POWER SUPPLY FOR BLOWER MOTOR Disconnect blower motor harness connector. RHA091G Yes or No Yes © GO TO 9. No © Check power supply circuit and 15A fuses (Nos. 1 and 2, located in the fuse I If OK, check for open circuit in wiring harness. I If NG, replace fuse and check wiring harness for short circuit. 9 CHECK CIRCUIT CONTINUITY BETWEEN BLOWER MOTOR AND FAN CONTROL AMP. Disconnect blower motor connector and auto amp. (LCU) connector. RHA472G OK or NG OK © Check blower motor. (Refer to HA-103.) 4. NG © Repair harness or connector. TROUBLE DIAGNOSES Blower Motor (Cont’d) HA-102 |