One problem related to back up lights has been reported for the 2006 Dodge Ram 2500. The most recently reported issues are listed below.
Exterior lights stopped working properly. No turn signal on driver side when headlights are on. Also when headlight switch is on backup lights come on,cab brake light comes on,and driver side signal blinks rapidly lighting faintly the. Turn signal bulb,and running light with no brake lights. But he front driver side turn signal works.