RAM 2500 Van V6-239 3.9L Magnum (1995)
Radio/Stereo: Testing and Inspection
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When the headlamp switch is in the park lamps or headlamps position, it connects circuit F33 from fuse 14 in the fuse block with circuits E1 and
L7. Circuit E1 is fed by a variable resistor in the headlamp switch used to adjust illumination lamp brightness.
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Circuit A3 from fuse 6 in the PDC feeds the fuse block bus bar that powers circuit F33 through fuse 14. Circuits A3 and F33 are HOT at all times.
