Car wiring diagrams: 6 Bulb T5 Light Fixture Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Looking at the ballast wiring diagram, black, white, and grey wires to orange quick disconnect. Line on diagram going to grey has a symbol for .I am installing these Metalux white T high bay lamps in our shop the The two bulb ballast only shows schematics for a V hookup..I recently bought some T lights. They can run from Isn t there a wiring diagram on the ballast? Do you have a lamp or lamp fixture?.