Front of Engine Compartment (LGY)

Courtesy of GENERAL MOTORS COMPANY

NOTE: Callouts in the following chart represent components shown in graphic above.

Components
1. 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 X4 (From Batt. Pos.) , or X50A Engine Wiring Harness Junction Block X4 (From Starter Generator) .
2. X50B Battery Distribution Engine Compartment Fuse Block X50B Battery Distribution Engine Compartment Fuse Block X2 , or X50B Battery Distribution Engine Compartment Fuse Block X3 (LGY) , 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 .
3. B75E Mass Airflow Sensor - Bank 2 B75E Mass Airflow Sensor - Bank 2 (LGY)
4. B75D Mass Airflow Sensor - Bank 1 B75D Mass Airflow Sensor - Bank 1 (LGY)
5. K20 Engine Control Module K20 Engine Control Module X1 (LGY) , or K20 Engine Control Module X2 (LGY) , or K20 Engine Control Module X3 (LGY) , or K20 Engine Control Module X4 (LGY) .