RAM 3500 Truck 2WD V8-5.7L VIN D (2003)
Speedometer Head: Electrical Diagrams
The Instrument Panel Gauges and Warning Indicators are not controlled by individual circuits. The ElectroMechanical Instrument Cluster (EMIC)
assembly is driven by the BCM via the Programmable Communications Interface (PCI) data bus.
For additional information on how the system operates, See: Description and Operation
For diagnosis of the EMIC/MIC, See: Body and Frame/Body Control Systems/Body Control Module/Testing and Inspection