JLG G12-55A Service Manual - Manual (Page 146)

Electrical System
9-4 G10-55A, G12-55A
9.1.2 General Overview - Perkins
MAL0320
MY1850
COOLANT
TEMPERATURE SENDER
(Below Alternator)
OIL PRESSURE
SENDER
ALTERNATOR
POWER DISTRIBUTION UNIT
(in engine compartment)
OIL PRESSURE
SWITCH
STARTER RELAY
MY4350
IGNITION
SWITCH
OPTIONAL POWER
DISTRIBUTION UNIT
(behind dash panel)
DASH SWITCHES 3 IN 1 GAUGE
OPTIONAL
HEATER/AC CONTROLS
ENGINE CONTROL
MODULE (ECM)