TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Starter Switch (013-018)
Section 13 - Electrical Equipment - Group 13
Page 13-27
Starter Switch (013-018)
Initial Check (013-018-001)
WARNING
Be sure the starting motor switch is in the OFF position
to avoid personal injury from electrical shock.
Digital Multimeter, Part No. 3377161
Remove the wire connecting the starting motor switch to
the magnetic switch (marked ``S'' or START) from the start-
ing motor switch terminal.
Connect the positive lead of digital multimeter, Part No.
3377161, or equivalent, to the starting motor switch termi-
nal and the negative lead to a chassis or engine ground
location.
NOTE: With the starting motor switch in the OFF position,
there must not be voltage at the starting motor switch
terminal. If the meter indicates voltage, the starting motor
switch is malfunctioning and must be replaced.
Turn the starting motor switch to the START position.
The multimeter must indicate system voltage.
If there is no voltage:
Turn the starting motor switch to the OFF position.
Connect the multimeter positive lead to the starting
motor switch terminal having a wire connecting the
starting motor switch to the starting motor solenoid
"B" terminal.
L-1285
