do I need to change my pro. valve??
Drum cars don't have a prop valve. All they have is a combo dist. block and warning lamp switch. Also power/ non power should not reflect the relationship of front to rear, so even if you had disk, going non to power should not affect the prop.
These are warning switches, not prop valves, for drum:
Drum cars don't have a prop valve. All they have is a combo dist. block and warning lamp switch. Also power/ non power should not reflect the relationship of front to rear, so even if you had disk, going non to power should not affect the prop.
These are warning switches, not prop valves, for drum: