Front of Engine Compartment
WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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NOTE:
Callouts in the following chart represent components shown in graphic above.
Front of Engine Compartment
| Harness Name |
Callout |
| W34 Battery Cable Post Terminal - Jump Start W34 Battery Cable Post Terminal - Jump Start X1
, or W34 Battery Cable Post Terminal - Jump Start X3 |
1 |
| X50B Battery Distribution Engine Compartment Fuse Block X50B Battery Distribution Engine Compartment Fuse Block X2
, or X50B Battery Distribution Engine Compartment Fuse Block X3
, or X50B Battery Distribution Engine Compartment Fuse Block X4
, or X50B Battery Distribution Engine Compartment Fuse Block X5
, or X50B Battery Distribution Engine Compartment Fuse Block X6
, or X50B Battery Distribution Engine Compartment Fuse Block X7 |
2 |
| X50A Engine Wiring Harness Junction Block X50A Engine Wiring Harness Junction Block X1
, or X50A Engine Wiring Harness Junction Block X2
, or X50A Engine Wiring Harness Junction Block X3
, or X50A Engine Wiring Harness Junction Block X4 |
3 |
| K20 Engine Control Module K20 Engine Control Module X1 (L3B)
, or K20 Engine Control Module X1 (LSY)
, or K20 Engine Control Module X2 (L3B)
, or K20 Engine Control Module X2 (LSY)
, or K20 Engine Control Module X3 (L3B)
, or K20 Engine Control Module X3 (LSY) |
4 |
| K71 Transmission Control Module K71 Transmission Control Module |
5 |
| Q12 Evaporative Emission Canister Purge Solenoid Valve Q12 Evaporative Emission Canister Purge Solenoid Valve |
6 |
| B75 Mass Airflow Sensor B75 Mass Airflow Sensor |
7 |