It’s easy to check the system… and there are different ways to approach this. Since most tail lamp issues are a. Read electrical wiring diagrams from unfavorable to positive and redraw the signal being a straight collection.
1977 Corvette Heater And AC Schematic Willcox Corvette, Inc.
Corvette electrical wiring diagrams page 1. This is the same schematic we use in our shop. Factory style and not from an after market company. Accent 325i [fb_0556] 79 f150 wiring diagram.