Perkins 1104E Series Troubleshooting Manual page 187

RENR2696-01
Repair: There is a problem with the wiring between
the fuel pump power relay and the machine
interface connector P20. Repair the wiring or
replace the wiring. Verify that the repair has
eliminated the problem.
STOP.
•
Not OK
Repair: There is no voltage or the voltage is out
of the acceptable range.
Proceed to Test Step 7.
Test Step 7. Check the Voltage at the
Relay Coil for the Fuel Injection Pump
Illustration 99
Schematic for the fuel injection pump and the ECM power supply
A. Turn the keyswitch to the ON position.
B. Measure the voltage between terminal C and
terminal D.
C. Refer to illustration 99.
D. Turn the keyswitch to the OFF position and then
turn the keyswitch to the ON position.
Note: The relay should emit a clicking sound as the
keyswitch is turned to the ON position.
E. Check that the voltage is present with the
keyswitch in the ON position.
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Troubleshooting Section
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