Cadillac CTS Owner's Manual page 281

280 Vehicle Care
Number Usage
21 Not used
*22 Driver motorized
seat belt
23 Wiper control relay
24 Wiper speed relay
25 Engine control
module relay
26 Not used
27 Spare/Heated
seat 2
28 Spare/Reverse
Lock Out
*29 AFS AHL/
pedestrian
protection
30 Not used
31 Passenger Window
Switch
32 Not used
33 Sunroof
34 Front wiper
*35 Steering
column lock
Number Usage
36 Rear Bussed
Electrical Centre
37 Spare/MIL ignition
38 Spare/PT Fuse
39 O2 sensor
40 Ignition coil injector
41 Spare/Ignition coil
injector
42 Engine control
module
43 Not used
44 Not used
45 Washer
46 Not used
47 Front washer relay
48 IP body ignition
49 Fuel system control
module ignition
50 Heated steering
wheel
51 Engine control
module ignition
Number Usage
52 Transmission
control module
ignition
*53 Coolant pump
*54 Coolant pump relay
55 Not used
56 Transmission
control module/
spare
*57 Headlight dipped
relay
58 Headlight main
relay
59 Run/crank relay
*60 Starter 2 relay
*61 Vacuum pump relay
62 Starter relay
63 Air conditioning
control relay
*64 Automatic head
lamps
*65 Left high intensity
discharge