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<blockquote data-quote="stones" data-source="post: 1385459" data-attributes="member: 540734">Try this, its an ol ghetto trick but it works pretty well.At each end of the RCA interconnect solder a small length of wire to the outer shielding then connect the wire to the nearest ground IE- At the HU connect to the HU&#039;s ground then at the amp connect the wire to the amps ground.This works by connecting the HU and the amp grounds together.Explaination on ground loops.-Ground loop is a condition where an unintended connection to ground is made through an interfering electrical conductor. Generally ground loop connection exists when an electrical system is connected through more than one way to the electrical ground.When two or more devices are connected to a common ground through different paths, a ground loop occurs. Currents flow through these multiple paths and develop voltages which can cause damage, noise or 50Hz/60Hz hum (variable in cars) in audio or video equipment. To prevent ground loops, all signal grounds need to go to one common point and when two grounding points cannot be avoided, one side must isolate the signal and grounds from the other.</blockquote>

[QUOTE="stones, post: 1385459, member: 540734"] Try this, its an ol ghetto trick but it works pretty well. At each end of the RCA interconnect solder a small length of wire to the outer shielding then connect the wire to the nearest ground IE- At the HU connect to the HU's ground then at the amp connect the wire to the amps ground. This works by connecting the HU and the amp grounds together. Explaination on ground loops.- Ground loop is a condition where an unintended connection to ground is made through an interfering electrical conductor. Generally ground loop connection exists when an electrical system is connected through more than one way to the electrical ground. When two or more devices are connected to a common ground through different paths, a ground loop occurs. Currents flow through these multiple paths and develop voltages which can cause damage, noise or 50Hz/60Hz hum (variable in cars) in audio or video equipment. To prevent ground loops, all signal grounds need to go to one common point and when two grounding points cannot be avoided, one side must isolate the signal and grounds from the other. [/QUOTE]

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