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Does the Tekonsha Primus IQ Trailer Brake Controller Drain the Battery While Being Used?  

Updated 09/26/2025 | Published 04/27/2025

Question:

We just had this installed and now our battery is drained everytime we turn the truck off. Does the break controller cause battery drain?

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Expert Reply:

Hey Tina. The Tekonsha Primus IQ Trailer Brake Controller item # TK90160 would not drain your battery when you're driving or pulling a trailer. It only pulls 12 volts when used, which should easily recharge while you're driving. Sounds like you've got an alternator going out or it's time to replace your battery.

Did you just start towing a trailer with your 2001 Silverado?

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Jerred H
Jerred H. profile picture

Jerred H.

9/26/2025

Hey Tina, did you find out if the alternator or battery needed replacing on your Silverado? I'm curious to know what worked for you, as it could help others experiencing similar issues.

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