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Don 'Mo Lurch'
Don 'Mo Lurch', Auto Mech / Electronics
Category: Chevy
Satisfied Customers: 20598
Experience:  Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.
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06 silverado heater fan will not shut off and runs the battery down.

Resolved Question:

06 silverado heater fan will not shut off and runs the battery down.
Submitted: 7 years ago.
Category: Chevy
Expert:  Don 'Mo Lurch' replied 7 years ago.

 

Couple of issues with this.

Could be Blower Motor Relay, Blower Motor Module / Resistor & / or Blower Motor Harness / Plug

 

You may want to change out the Blower Motor Relay first, then go from there

The Relay is located in the Instrument Panel Relay / Fuse Panel
graphic


There is also a TSB for the problem of the Blower Motor Module (see link below)

 

click below

 

BLOWER MOTOR MODULE

 

 

 

 

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