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Where is Fuse Under Hood of 2005 GMC Sierra that Powers Brake Controller  

Updated 04/11/2024 | Published 10/17/2019

Question:

Where is the fuse when the power is lost to my trailer brake controller

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Expert Reply:

The fuse that controls the brake controller power circuit under the hood of your 2005 GMC Sierra is labeled ETC/ECM which I pointed out in the attached picture.

expert reply by:
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Jameson C
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Lorrie profile picture

Lorrie

4/11/2024

We took ETC/ECM FOR TRAILER BRAKES OUT TO CK AND MOTOR STARTED TO STALL

Jameson C. profile picture
Etrailer Expert

Jameson C.

4/11/2024

@Lorrie ECM is the computer of the vehicle engine so that checks out.

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