1. electronics THE MOBILE ELECTRONICS COMPANY SINCE 1977 JE1029BMK Troubleshooting Guide Unit will not power ON e Confirm 12V power on the power harness e Confirm Ground on power harness e Check vehicle s fuse where monitor receives power No Picture Verify external source is connected to video input Verify external source is turned ON Try a different video cable Try a different video source B Woods Tech Services 05 16 07