TM 5-2420-230-24-2
Injection Pump Repairs (5-21)
Section 5 - Fuel System - Group 05
Page 5-54
B Series Shop Manual
Shutdown Solenoid Inspection, Bosch P7100
(5-37)
Engines using the Bosch P7100 fuel injection pump with
the RQVK governor are equipped with the synchro-start
fuel shut off solenoid to actuate the shut off lever. Both 12
volt and 24 volt external fuel shut off solenoids are
available.
The synchro-start has a weatherpack connector with 3
wires in it.
Color
Description
Weatherpack Port
Black
Ground
`C'
White
Pull In
`B'
Red
Hold In
`A'
Wiring Guidelines
Refer to the chart below to find the correct gauge size and
length of continuous wire for the white (pull-in) wire, which
connects to the solenoid wiring.
Length of Wire
0-4.5 ft
0-7.0 ft
0-11 ft
Gauge
14
12
10
NOTE: 14 gauge wire is required for the red (hold-in) wire,
which connects to the ``Run'' terminal on the ignition switch.
NOTE: The black (ground) wire must be the same size as the
white (pull-in) wire.
Solenoid Resistance Check
ohmmeter. Check the solenoid resistance.
Resistance
Solenoid
Min Ohms
Voltage
Pull-In
Hold-In
12
0.22
11.1
24
0.82
41.3
L-352
