1994 GMC Sierra 1500 Classic SLE Fuse Box Diagram 1994 GMC Sierra 1500 Classic SLE Fuse Box Map Fuse Panel Layout Diagram Parts: injection, panel lamps, DRL, stop lamp, solenoid, front wiper, turn lamp, 4WD, courtesy lamp, ignition coil, brake, parklamp, battery, gauges, HVAC, A/C heater, rear wiper.