TM 9-2350-247-20-1
HI TEMP DIFF OIL INDICATOR MALFUNCTIONS (M548A1)Continued
0058 00
BY
1. Remove engine harness plug (1) from power harness jack (2) at
battery box.
2. Is the HI TEMP DIFF OIL indicator still ON?
YES
NO
BYN
1. Repair engine harness circuit 328
(WP 0294 00).
2. Verify no faults found.
2BY
1. Turn MASTER SWITCH OFF.
2. Remove power harness circuit 328/27K plug (1) from HI TEMP
DIFF OIL jack (2).
3. Measure resistance between indicator jack (2) pins and ground
one at a time.
4. Did multimeter read 0 ohms for either measurement?
YES
NO
2BYN
1. Repair power harness circuit 328/
27K (WP 0294 00).
2. Verify no faults found.
3BY
1. Install engine harness plug on power harness jack at battery box.
2. Replace HI TEMP DIFF OIL indicator light assembly
(WP 0264 00).
3. Verify no faults found.
0058 00-3