Mercury MotorGuide VariMAX Manual page 23

WIRING AND BATTERY INFORMATION
5. Connect a jumper cable (common ground bond) from the trolling
motor battery negative (–) terminal to the engine battery negative
(–) terminal.
NOTE: Vessels with multiple batteries, must have a common ground
bonding circuit. Not establishing a common ground between the vessel
batteries, may cause severe corrosion, electrolysis, or an electrical
shock.
a
b
a - Power cables to trolling motor
b - 50 amp manual reset circuit breaker
c - Trolling motor batteries
d - Engine starting battery
e - Power cables to engine
f - Common ground bond
24 VOLT SERIES CIRCUIT BATTERY CONNECTION
1. Install a 50 amp manual reset circuit breaker in line with the trolling
motor power cable positive (+) lead and battery "c" positive (+)
terminal.
2. Connect a jumper wire (reference grey) between the negative (–)
terminal on battery "c" to the positive (+) terminal on battery "d."
3. Connect the trolling motor negative (–) lead to the negative (–)
terminal on battery "d."
eng
c
19
c
f
e
d
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