How to Bypass your cars fory amplifier

In this video we show you the basic steps need to bypass for for 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 fory plug for the amp so we don not have to cut any wires.\r
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tools used in this video\r
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Speaker Polarity Tester\r
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pac audio speaker tester\r
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phase generator\r