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Dodge or Ram Truck
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2008
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RAM 4500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Fuel Delivery and Air Induction
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Intake Air Heater Relay
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Description and Operation
Intake Air Heater Relay: Description and Operation
OPERATION
The Engine Control Module (ECM) operates the heating element through the intake manifold air heater relay.