GROVE 3-3
CD3340B/YB4411 ELECTRIC SYSTEM
Published 04/07/2015 Control # 569-00
MAIN ELECTRICAL SYSTEM
General
The electrical system used on this machine is a 12 volt,
direct current (DC) system with a (-) negative ground. The
power is supplied by one 12 volt battery.
An alternator supplies the necessary current (amps) for
system operation, and charging of the battery, when the
engine is running. A voltage regulator on the alternator
controls the voltage in the charging system. A voltmeter is
installed in the instrument panel in the cab for monitoring the
battery charge.
Wire Harnesses
Seven wire harnesses connect the electrical system
components:
1. Dash Wire Harness
2. Outrigger Wire Harness (Cab)
3. Outrigger Wire Harness (Circuit Board to Cab)
4. Outrigger Wire Harness (Circuit Board to Outrigger
Valve)
5. Main Frame Wire Harness
6. Transmission Wire Harness
7. Engine Wire Harness
Fuse and Relay Replacement
The fuses and relays are located on fuse blocks under the
control panel (Figure 3-1, 3-2 and 3-3) and in the electrical
compartment behind the cab (Figure 3-4 and 3-5).
The following figures show the fuse location, rating and
circuit functions.
FIGURE 3-1
8465-5
Fuse Box 1
Fuse Box 2
8465-6
Reference Only
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