GM Service Manual Online
For 1990-2009 cars
Makes 🢒 Chevrolet 🢒 2004 🢒 C-Series Medium Duty Truck C6/7/8 - Mexico 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Blower Motor Relay Replacement

Removal Procedure
  1. Disconnect the electrical connectors.

    2. Object Number: 257990 Size: SH
  2. Remove the relay (3) from the relay bracket.

Installation Procedure

    Object Number: 257990 Size: SH
  1. Install the relay (3) to the relay bracket.
  2. Connect the electrical connectors.