RAM 1500 Van V6-3.9L VIN X (1997)
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 3 in the fuse block with circuits El 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 12 in the PDC feeds the fuse block bus bar that powers circuit F33 through fuse 3. Circuits A3 and F33 are HOT at all times.
