Envoy 4WD V8-5.3L VIN M (2005)
8. Disconnect the following electrical connectors on the right hand side of the engine:
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Coil main electrical harness (1)
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Electronic throttle control (ETC) (2)
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Fuel injectors (3)
9. Perform the following steps in order to disconnect the fuel injector electrical connectors.
1. Mark the connectors to their corresponding injectors to ensure correct reassembly.
2. Pull the connector position assurance (CPA) retainer (2) on the connector up 1 click.
3. Push the tab (1) on the connector in.
4. Disconnect the fuel injector electrical connector.
5. Repeat the steps for each injector electrical connector.
10. Remove the electrical harness from the clips on ignition coil bracket.