TM 9-2350-277-20-1
STE/ICE TEST 69 STARTER NEGATIVE CABLE VOLTAGE DROP
DIAGNOSTIC TROUBLESHOOTING
0149 00
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
Electrical connector pliers (WP 0926 00, Item 31)
Jumper wire
STE/ICE Test Set (WP 0926 00, Item 61)
Personnel Required
Unit Mech 63T10
References
See your -10
TM 9-4910-571-12&P
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
Power plant access door opened (see your -10)
Driver’s power plant access panel removed
(WP 0441 00)
Trim vane lowered (see your -10)
T
1. Remove plug W1P1 from VTM jack J1.
2. Hook up VTM to carrier batteries TM 9-4910-571-12&P.
3. Set up Test 89 TM 9-4910-571-12&P.
4. Measure resistance between plug W1P1 (1), pin W (2) and
harness 12354593 circuit 779 terminal E4 (3) on battery negative
terminal (4).
5. Measure resistance between W1P1 (1), pin M (5) and harness
12354672 circuit 773 terminal E2 (6) on starter ground stud (7).
6. Did VTM read more than one ohm either time?
YES
NO
TN
1. Faulty VTM.
2. Notify supervisor.
0149 00-1
