2003 taurus headlight wiring diagram - Fixya 2003 taurus headlight wiring diagram headlights won't turn on - Ford 2003 Taurus question. Search Fixya. Browse Categories Answer looking at a wiring diagram or ground distribution diagram to see if these share a commom ground point or share power from same fuse,https: Ford, Mercury Alternator Broken Wire Problem, Alternator Click to view on Bing5:11http://alternatorparts Ford, Mercury Lincoln Alternator wiring problems explored. How to make your Ford, Mercury alternator work. Testing the ford altern..Author: alternatormanViews: 98K Electrical system problems 2003 Ford Taurus SES 6cyl. Electrical system problems 2003 Ford Taurus SES 6cyl. Electrical system on 2003 Taurus.. Electrical system on 2003 Taurus SES 6cyl went haywire. The ground wire from the battery is properly connected, I made several tests to other parts of the engine block and fenders,the connection is ok.5/5(2) 2000-2003 Ford Taurus Vehicle Wiring Chart and Diagram Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2000-2003 Ford Taurus. This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle.