TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 317 of 1417
NG81: BATTERY TESTS - Continued
STEP
2.
Perform current probe offset test.
a.
Connect red clip lead of W2 to positive battery being tested.
b.
Connect black clip lead of W2 to negative battery being tested.
c.
Connect P1 of transducer cable W4 to J3 of VTM.
d.
Connect P2 of transducer cable W4 to current probe.
T0022DAA
CABLE NO. 7
CHASSIS
GROUND
CURRENT PROBE TK 11
TO SAVE
RECEPTACLE
TEST PROBE
CABLE W2
CABLE NO. 6
TO STARTER
POSITIVE
49
68-6
68-6
68-6
50
7
GND A
6
Figure 2.
Battery Tests.
TM 9-2320-272-23-2
0203
0203-2
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