TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Starter Solenoid (013-019)
Section 13 - Electrical Equipment - Group 13
Page 13-29
Digital Multimeter, Part No. 3377161
Use a digital multimeter, Part No. 3377161, or equivalent,
to set the voltage scale.
Check for system voltage at the starting motor solenoid
battery terminal.
If the multimeter indicates system voltage at the starting
motor battery terminal, check the voltage at the starting
motor solenoid ``S'' terminal, while the starting switch is
energized.
If the multimeter indicates system voltage at ``S'' terminal
but the starter does not engage, the starting motor sole-
noid is malfunctioning and the starter must be replaced.
If the multimeter does not indicate system voltage at the
``S'' terminal, check:
Fuses
Voltage to the ignition switch and magnetic switch.
Application safety shutoff systems.
Voltage Check (013-019-041)
Digital Multimeter, Part No. 3377161
Set the digital multimeter, Part No. 3377161, to measure DC
volts.
Connect the multimeter positive (+) lead to the starter
solenoid positive cable terminal and the negative (-) lead to
a chassis or engine ground location.
The multimeter must show voltage with the starter switch
in the OFF position to be normal.
L-1287