INSTALLATION
MANUAL
© Scania CV AB 2017, Sweden
Connection
03:04 Issue 2.0 en-GB 10
C4066
Connection of power supply to the engine management system and instrumentation
2.1 (battery).
Connect the junction box directly to the battery and not to the starter motor. Use
twisted pair electrical cables and do not make the electrical cable longer than neces-
sary. The cable cross-sectional area must be at least 2.5 mm².
If the system has a safety device unit (SDU), 2 separate groups of batteries must be
used. If the system does not have a safety device unit, pins 1-4 must be connected to
the same group of batteries.
C4062
Connection to engine harness-to-harness connector C4001.
Pin Description I/O
1 30 voltage, 24 V -
2 Ground (battery negative terminal) -
3 30 voltage, 24 V -
4 Ground (extra battery negative terminal) -
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