In this video we show you the basic steps need to bypass for factor amp when adding an aftermarket amp. We show you how to test for speaker wires. Then we show you how to find the positive and negative wires. We also make a factory plug for the amp so we don not have to cut any wires.

tools used in this video

Speaker Polarity Tester
[ Ссылка ]
pac audio speaker tester
[ Ссылка ]
phase generator
[ Ссылка ]

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