Automotive/Technical Video 2 months ago VIDEO: Check Wiring Diagrams Before Probing Share Tweet Print Email Andrew Markel,authorView bio Bio Recent Posts Popular Posts VIDEO: Can Synthetic Oil Cause An Old Engine To Leak?VIDEO: Are All OAD Pulleys The Same?VIDEO: Using The Search Function To Find Service InformationVIDEO: What Is A Torsional Vibration In The Belt Drive And Pulley System?VIDEO: Is Belt Tension Going Up Or Down? Brake Job: 2010-2019 Ford FiestaDiagnosing Wheel Bearings, Locking HubsSpark Plug Fouling: Getting To The Root Cause Of MisfiresSolving Electronic Control Problems In Today’s Automatic TransmissionsVIDEO: What Can Cause An Oil Filter To Collapse? If an electrical issue is confusing you, Andrew Markel says it is important to reach for wiring diagrams before reaching for a probe, to prevent unnecessary damage to wires and connectors. Sponsored by ProDemand from Mitchell1. Video courtesy ImportCar.