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<blockquote data-quote="97obs" data-source="post: 8876554" data-attributes="member: 691491">I have a 1997 Chevy C1500 OBS. Currently running Alpine ILX-W650. Audison SR-4.500 Mid/High Amp. 2 DC Audio A3 1.2KW. Pushing 4 6-1/2s 2 sets of Pro Audio Tweeters.&nbsp; 2 Deaf Bonce Apocolypse 10” subs under back seat.&nbsp; I have a X-Brand 360w alternator. 2 XS 3400 Batteries. Everything is wired with Sky High Car Audio 1/0 OFC Wire. I have SHCA premium rca cables. Amp&#039;s are mounted behind rear seat on wall.&nbsp; Right now I have 1 battery on each side in engine compartment. I have grounds run from DS battery to distribution block that also has alternator run to frame.&nbsp; It’s also tied into Ps battery also ran to distribution block grounded to frame and engine. Power is ran from DS battery to PS battery via a SMD fuse block.&nbsp; Power from amp is also tied into this fuse block. Power to starter also comes from this fuse block as does the power to amps. Behind the seat power is fed to a SMD fuse block to each amp. Ground is from distribution block to each side of frame under truck and to each amp. The head unit in dash is also grounded to the frame via an 8 gauge wire.&nbsp; I am getting a real bad alternator whine. Is there something I have connected wrong. HowCan I isolate the amps from getting this noise?&nbsp; I am only getting it in the mids/highs. I am at a loss.</blockquote>

[QUOTE="97obs, post: 8876554, member: 691491"] I have a 1997 Chevy C1500 OBS. Currently running Alpine ILX-W650. Audison SR-4.500 Mid/High Amp. 2 DC Audio A3 1.2KW. Pushing 4 6-1/2s 2 sets of Pro Audio Tweeters. 2 Deaf Bonce Apocolypse 10” subs under back seat. I have a X-Brand 360w alternator. 2 XS 3400 Batteries. Everything is wired with Sky High Car Audio 1/0 OFC Wire. I have SHCA premium rca cables. Amp's are mounted behind rear seat on wall. Right now I have 1 battery on each side in engine compartment. I have grounds run from DS battery to distribution block that also has alternator run to frame. It’s also tied into Ps battery also ran to distribution block grounded to frame and engine. Power is ran from DS battery to PS battery via a SMD fuse block. Power from amp is also tied into this fuse block. Power to starter also comes from this fuse block as does the power to amps. Behind the seat power is fed to a SMD fuse block to each amp. Ground is from distribution block to each side of frame under truck and to each amp. The head unit in dash is also grounded to the frame via an 8 gauge wire. I am getting a real bad alternator whine. Is there something I have connected wrong. How Can I isolate the amps from getting this noise? I am only getting it in the mids/highs. I am at a loss. [/QUOTE]

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