The importance of a solid ground

sa4r

New member
Folks:

I installed a pretty good stereo setup with a powerful amp a few months ago. Because of the low number of amps output by the stock replacement amp, I installed a stiffening cap. I'd drive a while, listening to my iPhone play, and the cap would beep and the sound would drop out.

This happened often and I thought I had a defective cap. I switched it out, and the same thing happened. Being the same brand, I thought I had a bad lot.

Time goes by and the amp powering the subs died. I replaced the two amps with a five-channel amp. All's looking good, no more beeps from that pesky amp. I'm happy.

Guess what - the amp drops the signal and then comes back a second later. This goes on and it drives me nuts.

I checked all connections and found my problem. The ground wire connected to one of the nuts securing the roll bar was loose. I played the stereo, jiggled the connection. Presto - I recreated the problem.

I removed the nut when I got home from work, sprayed it with W-2, sprayed the hole and connected everything up again. I made sure the nut was tight and secured ground.

What a hassle and I could have fixed it some time ago. I had blamed my blessed 4Runner's electrical system and alas, it was my sloppy ground installation.

Lesson learned.
 
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Well said. Funny but the ground is actually the most important piece in ANY (DC) electrical system. It is the last component to complete the electrical circuit. Without that you have silence...
 
Lucky, i've been trying to find out why my stereo makes a whining noise that goes up and down with engine revs. and also out of the 4 speakers 3 work all the time and 1 works only when i crank up the volume, and if i lower the volume it stops working. Weird.:wtf:
 

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