SkyTrak 8042 Service Manual - Manual (Page 610)

9.19 Model 8042, 10042, 10054 Legacy Rev. 10/03
Electrical System
d. Engine Compartment Relay Locations
(SN 8042, 18991 - 19987, 10042 19031 - 19987,
10054, 19080 - 19987 And
8042/10042/10054, 0160002332 & After)
There are two relays located inside the engine
compartment, mounted on a bracket mounted to the left
frame rail. The relays (16) control the engine grid heater.
There is an engine fuel relay (17), mounted on the right
frame rail next to the engine.This relay is part of the
Cummins engine harness and also part of the ECM
Diagnostic System. If there is a problem with the relay it
will trigger a diagnostic code through that system. Refer
to Section 9.7.2, “ECM Diagnostic System
(8042, 18991 - 19987, 10042 19031 - 19987,
10054, 19080 - 19987 And 8042/10042/
10054, 0160002332 & After).”
MH4910
16
MH4920
17