Help me diagnose this white noise

[Johnamb21]

Hey guys and girls, first time posting here. I’ve been in audio for quite some time and am usually good at tracking down issues, however I’m kind of stuck here. Installed a new amp and speaker setup on my old man’s 2011 Kawasaki Vulcan Voyager, and every time the volume is on at any level, there’s a very constant hiss, almost like white noise. It doesn’t get louder as you turn the volume up, just constant. Setup is as follows;
Head Unit: Kawasaki OEM
Amp: NVX VADM4 4 Channel
Speakers: 2 Hertz SX165 Neo SPL
Wiring: Mesa CCA 8 Gauge Power & Ground, Meta RCA’s and speaker wire
LOC: PAC SNI-35

tried to remedy with every option I could think of. New LOC didn’t work, new RCA’s didn’t work. Where to look next?

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[Ridinhi 5,000+ posts]

Hey guys and girls, first time posting here. I’ve been in audio for quite some time and am usually good at tracking down issues, however I’m kind of stuck here. Installed a new amp and speaker setup on my old man’s 2011 Kawasaki Vulcan Voyager, and every time the volume is on at any level, there’s a very constant hiss, almost like white noise. It doesn’t get louder as you turn the volume up, just constant. Setup is as follows;
Head Unit: Kawasaki OEM
Amp: NVX VADM4 4 Channel
Speakers: 2 Hertz SX165 Neo SPL
Wiring: Mesa CCA 8 Gauge Power & Ground, Meta RCA’s and speaker wire
LOC: PAC SNI-35

tried to remedy with every option I could think of. New LOC didn’t work, new RCA’s didn’t work. Where to look next?

What does your ground look like!

 

[1aespinoza 10+ year member]

tried to remedy with every option I could think of. New LOC didn’t work, new RCA’s didn’t work. Where to look next?

Does it do it with the bike off? Try disconnecting the RCAs at the amp and listen. If noise persists, amp is the culprit.