TM 5-3800-205-23-1
TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
0005 00
TROUBLESHOOTING USING MULTIMETER - CONTINUED
b.
Results of the following tests could indicate replacement of components. Before replacing any components, check
for loose or corroded connectors in circuit that indicates a defect. If any loose or corroded connectors are found,
clean/reconnect connectors and retest. Check all ground points to ensure that they are clean and free of CARC
paint.
FRONT FACE OF FUEL SHUTOFF SOLENOID
TEST CONNECTOR PIN LOCATION
390-1740
390-1741
2.
Starter Ground Circuit Voltage Test.
NOTE
This test measures voltage drop in ground lead of starter.
a.
Ensure engine is OFF.
b.
Place battery disconnect switch in ON position.
c.
Turn all accessories OFF.
d.
Remove wire from upper terminal (GND Negative) on engine fuel shutoff solenoid.
e.
Remove protective cap from test connector receptacle.
f.
Select VDC on multimeter.
g.
Connect positive (red) lead from multimeter to test connector pin 7.
h.
Connect negative (black) lead from multimeter to test connector pin 3.
CAUTION
DO NOT crank starter motor for more than 30 seconds at a time. After 30 seconds, allow starter motor to
cool for at least two minutes before attempting to start engine again. Excessive heating of starter motor may
result in damage or premature starter failure.
NOTE
Tachometer will indicate no more than 400 RPM for this test.
i.
Using key start switch, crank engine and observe multimeter for an indication more than 1.30 volts. If indication is
more than 1.30 volts, problem could be:
0005 00-2
