LESSON 1: VEHICLE OVERVIEW
HIGH VOLTAGE POWER DISTRIBUTION BOX
HIGH VOLTAGE COMPONENT
High Voltage Power Distribution Box
1-24
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The high voltage power distribution box (arrow) is located in the
underhood compartment on top of the battery charger.
•
The high voltage power distribution box is similar in function to
the fuse box in your home.
– It distributes high voltage to components and systems.
– It contains fuses.
•
The power distribution box directs fuse protected high voltage to:
– DC/DC converter.
– Heating system.
– Air conditioning system (optional).
– Power steering system.
– Battery charger.
•
The power distribution box has a protective cover that is part of the
high voltage interlock circuit (covered later in this lesson).
– When the cover is removed, a limit switch will open the relays
in the contactor box, which interrupts high voltage to the
vehicle systems.
1998 Ranger EV New Model Training
ER016-A