K ENWORTH T680 MIRRORS - SERVICE MANUAL 8.2. ACTUATOR VOLTAGE CHECKING With a voltmeter check if there is 12V when operating the mirror from the truck cab. When operating up and down, check between and When operating Left and Right check between and Up/Down 1 2 3 4 Left/Right 8.3. ACTUATOR CHECKING Apply 12V between and : the actuator should work up or down Apply 12V between and : the actuator should work left or right 8.4. TRUCK CONNECTOR CHECKING With a voltmeter check if there is 12V while operating the mirror from the truck cab; Up and down - check between cavity “2” and “4” Left and Right - check between cavity “2” and “3” V If no voltage is recorded then problem is inside the cab.
V Copyright © Lang Mekra North America 2014 Page 23 of 28 Revised: 03/2014 Left Hand Right Hand 1 White Grey 2 Grey White 3 White Yellow 4 Yellow White Direction Motor 1 2 3 4 Up - + Down + - Left - + Right + -