Chevrolet T-Series Owner's Manual page 256

Fuses Usage
Room Lamp, Horn, Electric Parking
7 Brake, Radio Back Up, Rear Body
Dome Lamp
8 Power Window
Exhaust Brake Back Up, Air
Suspension Dump, Differential Lock,
9 Air Dryer, Moisture Ejection Heater,
Electric Air Compressor, Power
Take Off
10 Ignition Power
11 Left Trailer Turn Lamp
12 Auxiliary (Ignition ON)
13 Auxiliary (Battery Direct)
14 Driver's Side Headlamp
15 Passenger's Side Headlamp
16 Headlamp
256
Fuses Usage
17 Heated Fuel
18 Meter Transmission Control Module
Identification Lamp, Marker Lamp,
19 Tail Lamp, Lighted Mirror,
Illumination Lamp
Cool Condenser Fan Motor, Cooler
20
Compressor
21 Wiper Motor, Washer Motor
Heated Mirror, Two-Speed
22
Axle Relay
23 Empty
24 Fan Motor, Air Conditioner Relay
Right Trailer Turn Lamp,
25
Flasher Unit
26 Power Post (Consent)