ABS light on with TRC light flashing

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Hello, I am seeking help to resolve my ABS light being on. Yesterday I installed an active subwoofer in my 2004 IS200, I ran cables from the Battery to the trunk and also 3 signal cables from my aftermarket radio, the woofer works fine but since then, ABS doesn't work, the light is on, also the TRC light is flashing and the brake warning light is always on. I tried disconnecting the subwoofer and Battery, then reconnecting the Battery without the woofer to see if it helps, but nothing. Then I found a post about shorting two diagnostic pins to show error codes with the ABS light, and it blinked twice, three times, twice, six times, twice and seven times. But I don't really know what these codes mean. It doesn't make sense to me why this happened, since the woofer has got nothing to do with anything, expect the radio and the Battery. If anyone can help, I would be very grateful. Thanks.

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