Abstract: The adaptive RV chassis tail lamp and tow lamp configuration allows switching between American and European style tail and tow lamp configurations through use of a preprogrammed chassis control module, which is simply accessed via an user interface. Further, the configuration of the tail lamps of a vehicle being towed by the RV can be configured separately from the configuration of the RV chassis tail lamps, in like manner. Still further, diagnostics may be run to determine functionality of all tail and tow lamps powered by the vehicle power distribution source.