Fuse/Relay Map-Starter Relay-A/C Relay-Fuel Pump Relay-Brake Lamp Relay-AIR Relay-Horn Relay-AUX B-AUX A-Fuse Puller-ECM-B-RR DEFOG-IGN-E-FUEL SOL-GLOW PLUG-HORN-AUX FAN-ECM-1-HTD ST-FR-A/C-HTD MIR-ENG-1-HTD ST-RR-DIODE-1-DIODE-2-LIGHTING-BATT-IGN A-IGN B-ABS-BLOWER-STOP/HAZ-HEATED SEATS Chevy 3500 6.5 Manual 1998 Fuse Panel/Board – Fuse Symbol Map