Installation Guide
TG-0259_9 TM4 CO200-A3 Installation Guide
© Dana TM4 inc., 2020-2022
4.5.8 Connecting the high-voltage battery
Installation of the high-voltage battery cables is the responsibility of the integrator; this section describes
how to safely protect and connect the high-voltage battery to the MCU, using the hardware supplied by
Dana TM4.
IMPORTANT NOTE: It is imperative that you are aware of the safety risks involved in connecting a high-
voltage battery to the system; before you start; refer to Section 4.5.8.1 for safety instructions and Section
4.5.2 for general information on installing cables and harnesses before continuing with your integration .
4.5.8.1 Safety instructions related to connecting the high-voltage battery
Carefully read all safety instructions before connecting the high-voltage battery.
WARNINGS This product generates high-voltage that can cause an electric discharge or electrocution
resulting in injury or death.
When installing the product, verify that:
• The traction battery (high-voltage battery) is disconnected.
• The auxiliary battery (12 V/24 V battery) is disconnected.
The high-voltage cables MUST be shielded.
The external cables used for high voltage must be orange and shielded; the high voltage and level of
current delivered by this product can be lethal.
Failure to shield the high-voltage cables will result in non-compliance with EMI regulatory requirements.
Care must be taken when manipulating electrical equipment.
This product must be installed by qualified and authorized personnel in accordance with applicable
vehicle standards and industry practices. Always use appropriate insulation and protection before
manipulating the product even when the product is disconnected from a high-voltage source.
This product uses differential mode capacitors between the positive high-voltage DC bus (+) and
the negative high-voltage DC bus (-) and common mode capacitors between the high-voltage DC
bus and the chassis. Even when the product is disconnected from the high-voltage source, these
capacitors can hold a voltage high enough to cause an electric discharge or death.
It is important to ensure that no voltage is present on the high-voltage battery wires between both
polarities and from each polarity to chassis before manipulation.
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