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Home >> Freightliner >> 2007 >> Sprinter 2500 V6-3.0L DSL Turbo >> Repair and Diagnosis >> Power and Ground Distribution >> Relay Box >> Description and Operation
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Relay Box: Description and Operation






DESCRIPTION





The Power Distribution center (PDC) is attached to a stud (8) on the positive battery clamp of the starter battery. The PDC contains six bolt-on MIDI fuses which protect components such as glow plugs, double auxiliary cooling fans and provide additional protection to the feed circuits that power the fuse/relay boxes. The PDC contains MIDI fuses for the following systems:

- Glow output stage/secondary air pump (1)
- Air conditioner additional fan (2)
- Fuse/Relay Block #1 power feed (3)
- Auxiliary battery (4)
- Instrument panel (5)
- Seat box components power feed bridged jumper (6)
- Electrical heater booster (7)

for information on how to access the PDC for replacement or PDC MIDI fuse service.

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