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).
Step 10. (Cont).
Measure voltage drop across
each cable connected between
starter relay end terminals and
Step 11.
starter solenoid BAT and S ter-
m i n a l s.
Do this by connecting test
probe cable W2 clip test leads
across cable to be measured.
Press and release TEST button.
Crank engine then return igni-
tion key switch to off posi-
t i o n .
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 5-16). Repeat step 1 above.
b. If voltage drop is less than 0.2 volt, go to step 11 below.
Dial 89 into TEST SELECT.
Move red test clip of test probe cable
W2 to G terminal of starter solenoid
and black test clip to starter motor
ground terminal.
Press and release TEST button.
Crank engine and watch VTM display.
a. If VTM displays less than 0.2
volt, check for loose or corroded
connection between starter sole-
noid MTR terminal and starter po-
sitive terminal. Remove connector
between these two terminals and
check for dirt or corrosion .
Repeat step 1 above.
3-293
