Cummins N14 STC, Celect, Celect Plus – Service Manual 013-018   Starter Switch

Table of Contents

Voltage Check

Voltage Check

TOC

 WARNING 

Be sure the starter switch is in the “OFF” position to prevent electrical shock.

Remove the wire connecting the starter switch to the magnetic switch from the starter switch terminal.

Connect the positive lead of digital multimeter, Part Number 3377161, to the starter switch terminal and the negative lead to the chassis or an engine ground location.

SMALL | MEDIUM | LARGE


Set the multimeter to indicate D.C. volts.

With the starter switch in the “OFF” position, there

must not
be a voltage reading. If the meter indicates a voltage, the starter switch is malfunctioning and

must
be replaced.

SMALL | MEDIUM | LARGE
   


Turn the starter switch to the “START” position.

The multimeter

must
indicate a voltage in order for this check to be normal.

SMALL | MEDIUM | LARGE
   


If there is

not a voltage turn the starter switch to the “OFF” position. Check the cable from the positive voltage terminal of the starter solenoid to the starter switch for breaks and loose or corroded connections.

SMALL | MEDIUM | LARGE
   


If the cable is good and the connections are clean and tight, the starter switch is malfunctioning and must be replaced.

SMALL | MEDIUM | LARGE
   


 CAUTION 

Make sure the starter switch is in the “OFF” position to prevent electrical shock.

Remove the wire connecting the starter switch to the magnetic switch from the starter switch terminal.

Connect the positive lead of digital multimeter, Part Number 3377161, to the starter switch terminal and the negative lead to the chassis or an engine ground location.

SMALL | MEDIUM | LARGE
   


Set the multimeter to indicate D.C. volts. With the starter switch in the “OFF” position, there must not be a voltage reading.

If the meter indicates a voltage, the starter switch is malfunctioning and must
be replaced.

SMALL | MEDIUM | LARGE
   


Turn the starter switch to the “START” position.

The multimeter

must
indicate a voltage in order for this check to be normal.

SMALL | MEDIUM | LARGE
   


If there is

not a voltage turn the starter switch to the “OFF” position

Check the cable from the positive voltage terminal of the starter solenoid to the starter switch for breaks and loose or corroded connections.

SMALL | MEDIUM | LARGE
   


  • If the cable is good and the connections are clean and tight, the starter switch is malfunctioning and must
    be replaced.

SMALL | MEDIUM | LARGE
Last Modified:  31-Oct-2011