Cadillac 2012 CTS Owner's Manual page 363

12 Horn
Headlamp Washer
20
(HID Only)
Cooling Fan
21
(Series/Parallel)
Air Conditioning
32
Compressor Clutch
39 Not Used
Right Daytime
42 Running Lamp,
Trailer Turn Signal
Low Beam
(non HID), Left
Daytime Running
44
Lamps (HID), Left
Trailer Turn Signal
(Export Only)
Front Fog Lamps
45
(HID Only)
High Beam
48
Headlamps
Daytime Running
Lamps (Non HID),
49
Low Beam
Headlamps (HID)
53 Not Used
63 Main Ignition
66 Windshield Wipers
67 Powertrain
Windshield Wipers
68
High Speed
The underhood fuse block is located
on the left side of the engine
compartment.
Lift the fuse block cover to access
the fuses.
The vehicle may not be equipped
with all of the fuses and relays
shown.