Chevrolet 2004 Corvette Owner's Manual page 340

Relay
33 Air Pump
34 Air Conditioner and Clutch
35 Fuel Pump
36 Horn
37 Rear Fog Lamp
38 Back-Up Lamps
39 Fog Lamp
5-98
Usage Relay
40 Blank
41 Blank
42 Ignition 1
43 Cooling Fan 2
44 Cooling Fan 3
45 Cooling Fan 1
Usage