Blower motor does not turn off

Tiny
JODI GRAVES
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 20,000,000 MILES
Blower motor doesn't shut off even when engine is shut off. Have to remove fuse.
Thursday, January 23rd, 2020 AT 10:44 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 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.

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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).
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Thursday, January 23rd, 2020 AT 11:14 AM

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