car stereo question

Discussion in 'OT Technology' started by Chinatown, Mar 18, 2008.

  1. Chinatown

    Chinatown New Member

    Jul 26, 2006
    Likes Received:
    I recently installed a new HU and found something i've never seen before. First of all i have a 1992 bmw 318 conv. with 6 speakers (two fronts work off one wire) and a factory amp with crossovers built into it. If anybody can help me bypass the amp later, i would appreciate it.

    Now i built my wiring diagram by trial and error and found that only the negatives are needed to put a signal to the speakers. when i touch the positive, the whole system cuts off.

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