Blower motor does not turn off

2004 CHEVROLET TRAILBLAZER
20,000,000 MILES
Avatar
JODI GRAVES
  • MEMBER
  • 1 POST
Blower motor doesn't shut off even when engine is shut off. Have to remove fuse.
Jan 23, 2020 at 10:44 AM
Advertisement
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Good afternoon,

This is a shorted blower resistor. When it shorts internally, it will operate the blower at all times.

Picture and procedure below for you.

Roy


BLOWER MOTOR RESISTOR ASSEMBLY REPLACEMENT

REMOVAL PROCEDURE
1. Remove the right closeout/insulator panel.



imageOpen In New TabZoom/Print



2. Disconnect the blower motor resistor electrical connector (3).
3. Remove the blower motor resistor mounting screws (2).
4. Remove the blower motor resistor (1).
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Attached Media
Jan 23, 2020 at 11:14 AM