All,
I am trying to troubleshoot why is it my amp is not working. Here are what I did so far:
1) I used multimeter to measure the voltage between the amp ground and positive when the head unit is off. I get roughly 12V - Good
2) I used multimeter to measure the voltage between the amp ground and positive when the head unit is on. I get roughly 5V - Bad
3)I used multimeter to measure the voltage between the amp ground and the power remote cable when the head unit is on. I get roughly 5V - Bad
My question is: why is it my head unit remote cable only puts out 5V? Also, why is it the voltage between the ground and the positive on the amp drop to 5V when the head unit is on? Please help me to shed some light..
My head unit is Nakamichi CD400. My amp is Orion 7005. I tried to switch the amp, and it also do not turn on. I am assuming this is a problem with the head unit.
Thanks!!
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