Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Auxiliary Air Conditioning Wiring Harness (1) - Install
Courtesy of GENERAL MOTORS COMPANY

Connect the electrical connectors.
Auxiliary Heater and Air Conditioning Blower Motor Relay Bracket (1) - Install
Courtesy of GENERAL MOTORS COMPANY

CAUTION:
Refer to Fastener Caution .

Auxiliary Heater and Air Conditioning Blower Motor Relay Bracket Bolt (1) - Install and tighten - Auxiliary Blower Motor Relay Replacement (Cargo Van) , or Auxiliary Blower Motor Relay Replacement (Passenger Van)
Courtesy of GENERAL MOTORS COMPANY

Auxiliary Air Conditioning Air Outlet Duct (2) - Install - Auxiliary Air Conditioning Air Outlet Duct Replacement (Top Hat Cargo Van C69) , or Auxiliary Air Conditioning Air Outlet Duct Replacement (Rear Pillar Passenger Van)