Sound from sub when cd's loading

[PESteele 10+ year member]

whenever i put a cd in i can hear clunking from my subs. Also i still got a little static in the speakers. I tried regrounding the hu but when i disconnected the ground wire the unit still turned on. I dont understand. Could this have something to do with the fact that there is no ground wire on the factory harness?

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[PESteele 10+ year member]

bump

 

[Doingstuffwell 10+ year member]

run a ground to FRAME metal and hook your HU into that.

check all RCAs and power ground connections.

 

[Boomin_tahoe 5,000+ posts]

run a ground to FRAME metal and hook your HU into that.

check all RCAs and power ground connections.

Bingo. This is usually the case. I got a little noise myself.

 

[PESteele 10+ year member]

i check all connections and the hu ground is run straight to the battery. Any idea how it could still play without it grounded?

 

[Boomin_tahoe 5,000+ posts]

Holy cow....remove that ground from the batt at once!!

 

[PESteele 10+ year member]

why its just a more direct ground instead of throught the metal of the car

 

[PESteele 10+ year member]

bump?

 

[GlasSman#1 10+ year member]

The vehicles chasis IS the ground. A chasis point that provides the least amount of resistance is your best possible ground.

The larger the gauge wire the less resistance. The chasis is equivalant to a VERYlarge gauge wire. The ground terminal on the battery is limited to the wire connected to the chasis and that part of the chasis.

This is why we don't hook the NEG of our amps to the battery and seek a proper chasis point.

Your CD player simply has a very bad ground. Find a good spot in the dash with a screw and attach to that. Make sure all the paint is scraped away to bare metal. Paint prevents a good connection.