Starting System Block Diagram
WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of GENERAL MOTORS COMPANY
| Callout |
Component Name |
| K20 |
K20 Engine Control Module |
| C1 |
C1 Battery |
| KR27 |
KR27 Starter Relay |
| K9 |
K9 Body Control Module |
| T12 |
T12 Automatic Transmission Assembly |
| M64 |
M64 Starter Motor |
| S39 |
S39 Ignition Switch |