F 550 4WD Super Duty V8-7.3L DSL Turbo VIN F (2001)
Speaker: Description and Operation
On regular cab and Crew Cab vehicles:
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the rear radio speakers are located behind the rear corner trim panel below the front safety belt retractor and tongue.
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the front radio speakers are located behind the front door trim panel.
On SuperCab vehicles:
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the rear radio speakers are located behind the rear door trim panel in the rear door.
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the front radio speakers are located behind the front door trim panel.
On vehicles equipped with the M100 ULC AM/FM radio, only front door speakers are used.