TM 10-3930-669-20 CONTINUITY TEST (1) Remove heater blower switch (Para 7-12). (2) Set multimeter select switch to OHMS. (3) Set heater blower switch to HIGH position (TM 10-3930-669-10). (4) Check continuity between heater blower switch wire 38 and lead wire 1 terminals. (a) If there is no continuity, replace heater blower switch. (b) If there is continuity, heater blower switch is OK. (5) Install heater blower switch. 2-225

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