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Well did a Voltage and ohm reading, from battery to amp i lose 0.01v unloaded
All connections and harness i tried i lose on negative 0.2 and positive 0.1ohm and that is to the amp so good there.
Here is the one that made confused.
When checking ground on either rca plugs against ground on car i get no reading, wich confirms all your ideas that they dont share the same ground.
The problem i have is tried sooooo many places and never get a reading. How is that possible.. I mean the ccc cant just its ground from thin air.
Is my only choice to take out the ccc and ground the ccc chassi to the car chassi?
Already tried wiring the amps rca to ground on amp and putting on rca... Gave Nothing.
Also did the oem cables input signals, gave Nothing.
Took away the ground signal and it stopped.. Or atleast humming did, made a slight pop sound when turning off ignition, but that was probably loss of signal and the fact the amp was still on since the remote was connected straight to 12v
That before you here the ignition i think is interference from car, can't be heard by ear.
Yes, we are talking about interference emitted from the car. Your OEM Amp obviously has the proper filtering. Your laptop may not have filtering but its unaffected because of GND isolation.
You're just going to have to tinker around until you find filtering that works.
Yes, until your entire system shares the same ground, you're going to get the kind of issues you're seeing (errr, hearing...) now. I really can't imagine an RCA (line-level) output or input NOT sharing the car ground.
11-21-2022, 06:13 AM
