TM 5-3805-262-20
3-34. BATTERY SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. BATTERIES DISCHARGED OR DO NOT MAINTAIN CHARGE (Cont).
S t e p 9 . ( C o n t ).
Measure voltage drop across each cable connected between batteries,
starter motor ground terminal and battery negative post, and battery
positive post and starter solenoid BAT terminal.
Do this by connecting test probe cable W2 clip test leads across ca-
ble to be measured.
Press and release TEST button.
Crank engine then return ignition key switch to off position.
Voltage drop on VTM display should be less than 0.2 volt.
a. If voltage drop is more than 0.2 volt, disconnect cable. Clean
terminals that cable was connected to and cable terminals. Rein-
stall cable and repeat above test. If VTM still displays over
0.2 volt, replace cable (page 5-158). Repeat step 1 above.
b. If voltage drop is less than 0.2 volt, go to step 10 below.
Step 10. Dial 89 into TEST SELECT.
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