CORRECTIVE ACTION Continued
14. Reconnect engine wiring harness to fuel solenoid. Disconnect lead from spark plug. Hold lead close to
engine and turn MASTER switch on, push START and manifold preheat switches, and check for spark.
Turn MASTER switch OFF. If spark is present, replace spark plug (see WP 0134 00). If spark is not
present, replace manifold preheater ignition unit (see WP 0132 00).
15. Reconnect switch panel to neutral safety switch to bulkhead harness to main switch panel. Disconnect
switch panel to gage panel and miscellaneous switches wiring harness from main switch panel. Place
red lead of multimeter on pin 13 of wire 10 and black lead to ground. Turn MASTER switch on push
START switch, and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step 16.
If voltage is not present, troubleshoot battery circuit.