36 Volt Systems - MINN KOTA ULTREX Installation Instructions Manual

36 Volt Systems

Three 12 volt batteries are required. The batteries must be wired in series, only as directed in wiring diagram, to provide 36
volts.
1. Make sure that the motor is switched
off (speed selector on "0").
2. Connect a connector cable to the
positive ( + ) terminal of battery 1 and
to the negative ( – ) terminal of battery
2 and another connector cable from the
positive ( + ) terminal of battery 2 to the
negative ( – ) terminal of battery
of battery 3.
3. Connect positive ( + ) red motor lead
to positive ( + ) terminal on battery 3.
4. Connect negative ( – ) black motor lead to negative ( – ) terminal of battery 1.
For safety reasons do not switch the motor on until the propeller is in the water. If installing a leadwire plug, observe proper
polarity and follow instructions in your boat owner's manual.
• For safety reasons, disconnect the motor from the battery or batteries when the motor is not in use or while the battery/
batteries are being charged.
• Improper wiring of 24/36 volt systems could cause battery explosion.
• Keep leadwire wing nut connections tight and solid to battery terminals.
• Locate battery in a ventilated compartment.
This completes the installation of your Ultrex. A complete Owner's Manual can
be downloaded at minnkotamotors.com.
©2016 Johnson Outdoors Marine Electronics, Inc.
CONNECTING THE BATTERIES IN SERIES
To trolling motor negative
24 Volt Series Connection
Neg - Pos +
Battery #1 (Low Side)
Three 12-volt batteries connected in series for 36 volts
WARNING
WARNING
+36 Volts to trolling motor
positive (or circuit breaker)
36 Volt Series Connection
Neg - Pos +
Battery #2 (Middle) Battery #3 (High Side)
minnkotamotors.com | 31
Neg - Pos +