Installation — Wiring | 27
CONNECTING MULTIPLE LOADS
CAUTION: Do not use the Battery Monitor outside the recommendations below. Exceeding the
recommendations could damage the Battery Monitor and/or other equipment installed in the system.
The installer is responsible for ensuring the correct bolt size and Ground cable size is used.
The Battery Monitor is capable of connecting multiple loads to the Ground (GND
) terminal. Depending on
your system setup, you may need to use the supplied Alternative Terminal Bolt (M10×20 mm). Refer to the
table below to determine if this bolt is required. The lugs belonging to circuits with the highest currents should
be closest to the Battery Monitor terminal.
Bolt Size (supplied)
Combined Thickness of Lug Tongues
Minimum Maximum
Standard M10×16 mm – 4 mm (5/32")
Alternative M10×20 mm 4 mm (5/32") 8 mm (5/16")
Lug side view
Combined
tongue
thickness
4 mm (5/32")
use Standard Bolt
(M10×16 mm)
>
4 to 8 mm (5/32 to 5/16")
use Alternative Bolt
(M10×20 mm)
Lug thickness for Ground (GND ) Terminal
BATTERY NEGATIVE (B NEG) CABLE CONNECTION
Remove the M10 Bolt and washers from the Battery Negative (B NEG –) terminal (1). Then align the lug stud
hole with the terminal and fasten using the at washer, spring washer and bolt (2). Torque to 20 N·m (14.7 lbf·ft).
Connect the Battery Negative cable to the auxiliary battery negative (–) terminal using appropriate fasteners (3).
NOTE: The Battery Negative cable should not exceed 1 m (3'3") to minimise voltage drop between the
Battery Monitor and auxiliary battery.
Auxiliary
Battery
1
2
3
20N·m ±10%
14.7lbf·ft ±10%
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