Disconnect Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
Open the rear door.
Remove the energy storage box (ESB) access panel.

Fig 1: View Of Energy Storage Box Access Panel

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Rotate the battery disconnect key to the horizontal position.

Fig 2: View Of Battery Disconnect Key (Horizontal)

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Raise the rear seat.
Remove the plastic retainers from the ESB trim cover (1).

Fig 3: View Of ESB Trim Cover Retainers

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Remove the ESB trim cover.
Disconnect the 42-volt positive/negative cable electrical connector (4).

Fig 4: View Of 42-Volt Positive/Negative Cable Electrical Connector, AC Electrical Connector, Ground Strap & Stud

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