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<blockquote data-quote="ephyouckay" data-source="post: 2315323" data-attributes="member: 571068">I installed my comps last night and im using LOC&#039;s to get RCA outputs... i already sanded the ground and made sure ti si as tight as possible and it is grounded in back of the seats on the bottom where there is thick metal (frame) that connected the trunk to the rest of the car or something like that. however im getting a whining noise and i have already searched. there are a couple of things i think is causing the problem but im not sure.a. my loc are not grounded. they are connceted to the sspeaker + and - but not grounded. Am i suppose to ground it? i was told it wasnt necessary.orb. my ground wire from distroblock to amp is too long. it is 5 ft. i can try to get it down to 4 but thats already pushing it. i can do 3 or less but then the wire will be visible.also.. im pretty sure it is a ground problem because when i unplug the RCA i dont hear it anymore.</blockquote>

[QUOTE="ephyouckay, post: 2315323, member: 571068"] I installed my comps last night and im using LOC's to get RCA outputs... i already sanded the ground and made sure ti si as tight as possible and it is grounded in back of the seats on the bottom where there is thick metal (frame) that connected the trunk to the rest of the car or something like that. however im getting a whining noise and i have already searched. there are a couple of things i think is causing the problem but im not sure. a. my loc are not grounded. they are connceted to the sspeaker + and - but not grounded. Am i suppose to ground it? i was told it wasnt necessary. or b. my ground wire from distroblock to amp is too long. it is 5 ft. i can try to get it down to 4 but thats already pushing it. i can do 3 or less but then the wire will be visible. also.. im pretty sure it is a ground problem because when i unplug the RCA i dont hear it anymore. [/QUOTE]

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