Chrysler DODGE D150 1993 Service Manual page 1491

25 - 14 EMISSION CONTROL SYSTEMS
HEATER
RELAYS
J9114-240
Fig. 6 Air intake Heaters—Diesel Engine
low. When the ignition key is turned to the ON po­
sition, the solenoids will make a clicking noise. This
indicates they are energized. Refer to Group 14, Fuel
System for air intake heater relay operation.
WHEEL
WELL J9114-67
Fig. 7 Air Intake Heater Relays—Diesel Engine