1989 Chevy C1500 Wiring Diagram Fernando Wisozk Jr. 16 Jul 2023 Diagram wiring chevy 1988 c1500 1989 pickup gmc hanenhuusholli original Hanenhuusholli Hanenhuusholli Check Details ← 1989 Chevy Brake Light Wiring Diagram 1989 Chevy Cavalier Engine Diagram →