3.3.1 EARTH SYSTEMS
3.3.1.1 NEGATIVE EARTH
The typical wiring diagrams located within this document show connections for a negative earth
system (the battery negative connects to Earth)
3.3.1.2 POSITIVE EARTH
When using a DSE module with a Positive Earth System (the battery positive connects to Earth), the
following points must be followed:
• Follow the typical wiring diagram as normal for all sections EXCEPT the earth points
• All points shown as Earth on the typical wiring diagram must connect to BATTERY
NEGATIVE (not earth).
3.3.1.3 FLOATING EARTH
Where neither the battery positive nor battery negative terminals are connected to earth the following
points must be followed
• Follow the typical wiring diagram as normal for all sections EXCEPT the earth points
• All points shown as Earth on the typical wiring diagram must connect to BATTERY
NEGATIVE (not earth).
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