Here’s another fix where the cause of an electrical gremlin was not found by traditional means but instead by looking all around the vehicle. Follow this Real Fix to see how a Ford F150 with malfunctioning radio and climate control system was diagnosed and the component that caused the problem was found.
Vehicles today come with more and more screens and when a blank one is staring you in the face, you may not no where to start testing. SureTrack community member grizz81 had a GMC Terrain SUV in the shop where the radio and touch screen weren’t working. They posed the question to the community, and with the help of fellow community member Dmckemie12 and others, they were able to resolve the issue quickly.