Removal Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Bussed Electrical Center & Positive Battery Cable Nut

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Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) or Battery Negative Cable Disconnection and Connection (LY7) or Battery Negative Cable Disconnection and Connection (LS4) .
Lift the cover of the underhood junction block (2) to access the positive cable nut.
Remove the positive battery cable nut and position the cable (1) away from the junction block.

Fig 2: Identifying Tabs & Bussed Electrical Center

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Release the tabs and pull the junction block from the housing.

Fig 3: Identifying Retaining Bolts Of Engine, I/P & Forward Lamp Wiring Harness Connectors

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Loosen the bolts (1) retaining the engine, IP and forward lamp wiring harness connectors to the junction block.

Fig 4: View Of Wiring Harness Connectors & Junction Block

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Disconnect the wiring harness connectors from the junction block.

Fig 5: Locating BEC Housing & Nuts

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If the junction block housing removal is necessary, perform the following:
1. Remove the nuts (2) from the junction block housing (1).
2. Lift the junction block housing to release the lower tab from the strut tower.
3. Remove the junction block housing (1) from the vehicle.