Recent content by kkkd

Should i ground it to the battery or to the a clean piece of metal in the dash?

I have a kenwood mp538u head unit and a crunch p900.4 amp hooked to rockford p162c's in the door and sony xplod 6x9's behind the seat. I also have 2 10" rockford subs behind the seat and an amp too. Anyways the front speakers make a horible buzzing/whinning sound when the pickup is running...

Okay guys... I can run one pair of rca's to my amp and then double up my speakers on two channels on the amp there is no noise. But if i hook up the third and fourth channel i hear the noise. If i shut the stereo off and switch the rca's the noise then comes out throught the back... What do...

It only whines when the engine is running. I have a separate amp for my subs. The rear speakers were just on a 2 channel amp but when i put the 4 channel amp in the front speaker channels have a whine in them. So should i run the head unit ground directly to the negative on the battery?

Where should i ground it to? It just started happening when i hooked my door speakers up to my new amp. I know it isn't the speakers because i can switch rca cables and my rear speakers will do it and the fronts won't. It never happened when i ran 4 preamp channels but now it does with 6...

There is lol but the head unit slides into a metal plate that is attached to the rest of the frame and dash. So therefor the wire does no good because it is already grounded

i mean the support i have that the hu slides into is all metal so it grounds with out the harness.

Okay all of my rca cables are away from power cables and my speakers still have a humming noise when the vehicle is running. My deck is in an all metal din installation plate that bolts to the dash and i was wondering if this might be causing the noise?

K guys I just put two rockford 6" speakers in my doors of my 78 f150. I bought a new amp and hooked my existing sony 6x9 speakers up two it too. Anyways after I was done I can hear a whining sound that goes along with my engine rpms and it is only in the front speakers and it is only when the...