F 350 2WD Super Duty V8-6.0L DSL Turbo VIN P (2004)
Vacuum Solenoid Valve HVAC: Description and Operation
AUTOMATIC TEMPERATURE CONTROL (ATC) SOLENOID AND MANIFOLD
The ATC solenoid and Manifold:
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is located in the instrument panel behind the audio unit.
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uses solenoid-type valves to distribute vacuum to the vacuum control motors and the heater control valve based on the EATC module settings.
