Source google image: http://tryit.me/wp-content/uploads/1979-chevy-truck-wiring-diagram-in-harness-for-1984-and-on-wiring-best-of-1982.jpg
Schema electrique e38
Source google image: http://tryit.me/wp-content/uploads/1979-chevy-truck-wiring-diagram-in-harness-for-1984-and-on-wiring-best-of-1982.jpg