SymbolDescription1Headlamp Switch Connector2Fog Lamp Switch Connector3Headlamp Switch4Door Jamb Switch – Driver5Fuse Block- I/P Side of the Body Relay Block Harness6S2047C2178Courtesy Lamp-Left Console9Relay Block-Body10S22311Speaker-LF Chevrolet Blazer 4X4 2004 Inside Electrical Circuit Symbol Map
