TM 9-2350-256-20-1
0055 00
Troubleshooting Procedure
Engine Generator (Single Voltage)
Symptom
Engine generator (single voltage) malfunctioning.
Malfunction
Generator indicator reads in yellow or lower red region with engine running and generator cutout switch closed.
Do steps 1 thru 19.
Generator cutout switch does not operate. Do steps 9 through 19.
CORRECTIVE ACTION
WARNING
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct
short may result in instant heating of tools, damage to equipment, and injury or death to personnel.
1.
Open air inlet doors (TM 9-2350-256-10). Disconnect batteries to master relay, voltage regulator, slave
receptacle, and engine disconnect wiring harness from engine regulator. Place red lead of multimeter
on pin A of wire 2/62 and black lead to ground. Turn MASTER switch on and check for voltage. Turn
MASTER switch OFF. If voltage is present, go to step 2. If voltage is not present, troubleshoot battery
circuit.
0055 00-3
