Service Manual

Topdresser 1800 & 2500
Page 4 – 2
Electrical System
General Information
The Topdresser 1800 uses no electrical components.
Information in this chapter pertains only to Topdresser
2500 machines.
Electrical power to the Topdresser 2500 is provided by
the tow vehicle battery. Three (3) wire harnesses are
used on the Topdresser 2500 (Fig. 1). The battery wire
harness attaches to the tow vehicle battery. The switch
wire harness connects the control handle to the battery
wire harness. The third harness, the trailer wire harness,
resides on the Topdresser and provides electrical power
to the hydraulic manifold solenoids.
1. Battery wire harness
2. Switch wire harness
3. Trailer wire harness
Figure 1
100
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10
1
2
3
Electrical Diagrams
The electrical schematic and wire harness drawings for
Topdresser 2500 machines are located in Chapter 6 –
Foldout Diagrams.