TM 9-2350-247-20-1
PARTICULATE PRECLEANER MOTOR DOES NOT WORK (M548A3)Continued
0103 00
BY
1. Turn NBC AIR FILTER SWITCH (1) OFF (see your -10).
2. Turn MASTER SWITCH OFF.
3. Disconnect NBC wiring harness connector P1 (2) from M3 heater
wiring harness connector (3).
4. Measure resistance between wiring harness connector P1 (2) and
J1 (4).
5. Does multimeter read 0 ohms?
YES
NO
BYN
1. Replace NBC wiring harness
(WP 0531 00).
2. Verify no faults found.
0103 00-3