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178
Possible Causes
Low battery voltage
•
Failed batteries
•
High-resistance at battery cable connections
•
Wiring to the IDM
Low or no battery voltage to the IDM main power
relay
•
High-resistance or an open power feed circuit to
the IDM or IDM main power relay.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
5 HARD START AND NO START DIAGNOSTICS
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
•
The IDM power circuit fuse in battery box may be
open.
•
IDM main power relay may have failed.
•
V
circuit problem
IGN
•
Failed IDM
EGES-270-1
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