Wire Harnesses; Engine Wire Harness; Instrument Panel Wire Harness - Manitowoc Grove 5540F Service Manual

ELECTRIC SYSTEM
Hour Meter
Power is available through the oil pressure switch on the
engine. The hour meter operates only when the engine is
running.
Table 3-4: Voltage Level Conditions
Voltage Measured
0-10 volts
11-12 volts
12-14 volts
14-16 volts
More than 16 volts

WIRE HARNESSES

Engine Wire Harness

The engine wire harnesses Figure 3-2 and Figure 3-3 supply
electrical current from the battery to the charging circuit,
starting circuit, and senders attached to the engine. It also
supplies the current to the main frame wire harness.
Main Frame Wire Harness
The main frame wire harness Figure 3-4 supplies electrical
current to operate the electrical components attached to the
3-6
Engine Speed
Stopped or low idle
Above low idle.
Stopped or low idle.
Above low idle.
Stopped or low idle.
Above idle.
main frame. It also connects to the instrument panel and
engine wire harnesses.

Instrument Panel Wire Harness

The instrument panel wire harness Figure 3-5 supplies
electrical current to the gauges, lights and switches in the
instrument panel. It connects to the main frame wire harness.
NOTE:
Published 10-21-2010, Control# 198-04
5540F/YB5515 SERVICE MANUAL
Condition of Charging System
Battery discharged.
Low battery charge.
Problem in charging system. See
Troubleshooting - Charging System.
Normal battery charge.
Problem in charging system. See
Troubleshooting - Charging System.
Battery fully charged - no load.
If needle is between 14 and 15 bolts,
the battery is newly charged.
Overcharged battery.
Overcharge. See Troubleshooting -
Charging System
For wire harness wiring diagrams, see Schematics/
Wiring Diagrams.