Installation 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.

Install the HVAC outlet adapter.
Connect the HVAC outlet adapter to the vehicle body (1).
Connect the HVAC outlet adapter (2) to the ESB carrier.
Install the ESB carrier (3). Refer to Energy Storage Box (ESB) Carrier Replacement (5.3L Engine w/RPO HP2) .

Fig 1: View Of HVAC Outlet Adapter, Vehicle Body Connector & ESB Carrier (5.3L Engine w/RPO HP2)

Courtesy of GENERAL MOTORS CORP.