Service Manual

Starter Solenoid ISB, ISBe and QSB (Common Rail [...]
Page 13-22 Section 13 - Electrical Equipment - Group 13
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If the wire connecting the starter solenoid and keyswitch is
not loose or damaged and the starter will not operate:
Remove the cable connecting the starter and starter
solenoid from the solenoid terminal.
Connect the multimeter positive (+) lead to the
solenoid "S" or switch terminal and the negative (-)
lead to the chassis or an engine ground location.
Turn the keyswitch to the START position.
If the multimeter indicates voltage and the starter will
not operate, the starter solenoid is malfunctioning and
must be replaced.
Refer to Procedure 013-020
If the multimeter does not indicate system voltage:
Check the wire connecting the starter solenoid “S” or
switch terminal to the magnetic switch for breaks, and
for loose or corroded connections.
Check that there are no blown fuses.
Check voltage to the keyswitch and magnetic switch.
Refer to Procedure 013-017 and Refer to Procedure
013-030
Check application of the safety shut-off systems.
If the wire connecting the starter solenoid to the magnetic
switch is not loose or damaged and the starter will not
operate:
Check the cable connecting the starter solenoid to the
starter motor for breaks, and for loose or corroded
connections.