1 POWER CIRCUIT DIAGNOSTIC PROCEDURES
IMPORTANT: Do not disconnect electrical connectors while the engine is running. Damage to Engine and
Pump Controller or other components may result. Disconnect connectors only when instructed during a
test or check.
BATTERY (G1, G2)
Measure battery voltage by connecting a voltmeter to (-)
YES: Batteries are OK.
negative battery terminal grounded to frame and (+)
Go to next check.
positive battery terminal connected to machine harness.
NO: Batteries are
Is 24 to 28 volts measured?
BATTERY POWER 40
Disconnect fusible link from battery relay.
YES: Fusible link is OK.
AMP FUSIBLE LINK (F21)
Check wiring harness.
Connect ohmmeter to both ends of fusible link.
NO: Fusible link has
failed. Replace fusible