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Electrical 2-7
Section 2: Electrical
High-Voltage Traction Battery (HVTB) Systems Depowering
WARNING: The nominal high-voltage traction battery (HVTB) voltage is 330 volt DC. A
buffer zone must be set up and high-voltage insulated safety gloves and a face shield must
be worn when modifying the vehicle in close proximity to the high-voltage system. Failure
to follow these instructions may result in severe injury or death.
WARNING: The high-voltage traction battery (HVTB) and charging system contains
high-voltage components and wiring. High-voltage cables and wiring are orange in color.
High-voltage insulated safety gloves and a face shield must be worn when modifying the
vehicle in close proximity to the high-voltage system. Failure to follow these instructions
may result in severe personal injury or death.
WARNING: Before carrying out any vehicle modifications, the high-voltage traction
battery (HVTB) must be depowered. Failure to follow these instructions may result in severe
personal injury or death.
WARNING: The high-voltage insulated safety rubber insulating gloves that are to be
worn when modifying the vehicle in close proximity to the high-voltage system, should be
of the appropriate safety and protection rating for use on the high-voltage system. They
must be inspected before use and must always be worn in conjunction with the leather
outer gloves. Any hole in the rubber insulating glove is a potential entry point for high
voltage. Failure to follow these instructions may result in severe personal injury or death.
WARNING: A buffer zone is required when modifying the vehicle in close proximity to
the high voltage system. Failure to follow this instruction may result in severe personal
injury or death.
1. Set up the buffer zone around the vehicle. For additional information, refer to Buffer Zone in
this section.
2. Turn the ignition to the OFF position.
3. Disconnect the 12-volt battery.
2010 Escape Hybrid, Mariner Hybrid Modifiers Guide, 07/2009