314 ENGINE ELECTRICAL
Injector wiring harness at ECM and IDM drive
modules
Figure 471 Injector harness locations
1. Injector connectors (6)
2. Injector shield ground stud connection
3. IDM connectors (2)
8. Disconnect six injector connectors fr
om the valve
cover gasket.
9. Disconnect the injector shield groun
dstud
connection.
10. Disconnect two IDM connectors.
11. Disconnect two ECM engine connecto
rs.
12. Disconnect two ECM chassis connect
ors.
Intake Air Heater Wiring Harn ess
Assembly
13. Disconnect intake air heater cab
le at starter
solenoid.
Figure 472 Intake air heater and relay wiring
harness
1. Intake air heater mounting nuts (2)
2. Intake air heater wiring harness tie downs
3. Intake air heater mounting nut stud bolts (2)
4. Intake air heater and relay bracket mounting bolt
Figure 473 Intake air heater – dual element
1. Inlet and EGR mixer
2. Intake air heater cable locations
3. Intake air heater element
See (TSI-05-12-35 New 1500 Watt Single Grid Intake
Air Heater Production Option, page466).
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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