Run amplifier power wire like a pro! - How to install through firewall





When installing an amplifier for a car audio system we need to run the power wire through the firewall of the car. What hole do we run the power wire through? How can we make a firewall hole for the positive amplifier cable? Let's take a look at the best practices!


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🔨 Tools and Materials:

✔️ Grommet hole cutting stamp - https://amzn.to/2WWhHFN

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✔️ Large Wire Grommets - https://amzn.to/2JmRsjT

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