Recent content by yarn

  1. Y

    Subs making random thumps when HU is on.

    Chris Z, I'll try grounding the HU tmr, when stores open, so I can buy wires. Okay, I've done a few trial runs. I get thumping/engine noise when the RCA's is connected. The thumping/engine noise stops when the RCA's aren't connected. What does this mean? Btw. This doesn't make sense, why...
  2. Y

    Subs making random thumps when HU is on.

    Setup: Pyramid amp, 2 Alpine subs Cheapest alpine deck I could find. After driving for a few minutes, the thump starts to happen. Also when it happens, I can hear a high pitch spinning when I rev tthe engine. They both happen simultaneously. But at very random times. It'll thump for 10...
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