Recent content by Mapefy

  1. M

    Buzzing from factory amp with new head unit

    Got it figured out. The PAC LP7-4 LOC seemed to do the trick, and brought the noise down to a very quiet hiss similar to the stock radio. Interestingly, the noise would come back if I attached the "audio ground input" to the LOC but if I left that disconnected it was much better (the manual...
  2. M

    Buzzing from factory amp with new head unit

    Not sure if you fully understood the post, as my testing seems to indicate the noise is not coming from the atoto head unit. I'm getting noise even with it completely unplugged
  3. M

    Buzzing from factory amp with new head unit

    Hello, I'm trying to install an aftermarket head unit (ATOTO S8 Ultra) into my 1997 Toyota Chaser. Up until now, the car has had the factory radio and amplifier under the passenger seat. I purchased a Metra 70-8112 adapter to convert to the ATOTO harness and plugged the RCA cables into the...
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