![]() Many have had problems with Pioneer head units because of a poor internal RCA ground. I route my RCA's on one side of the car, and power on the other. But run your RCA's and power wires at least 18" apart. Some claim this next fix is BS, and others swear by their grave that it works. Many cars use metallic alloys or composites that aren't very conductive. Make sure the metal is good 'ol fashioned detroit iron. Make sure it is grounded to the frame, battery, or other substantial metal surface. Ground loop filter noise isolator, eliminating the hiss, buzz and interference caused by ground loops which happens when the audio source and the speaker. If none of the above have worked, check the ground for the amplifier. Relocating the ground wire or adding to the existing one will help reduce or eliminate ground loops. Many times factory head unit grounds are poor. This is perhaps the most common source of engine noise. I'm not saying you need to invest a small fortune in RCA cables, just make sure they are shielded. Don't use patch cables or other el-cheap-o RCA's that are unshielded. Sold by Smof and ships from Amazon Fulfillment. There are various protective measures to take in order to decrease the likelihood of experiencing engine whine and ground loops.Ī good pair of shielded RCA's may be the easiest way to avoid engine noise. This item: Ground Loop Noise Isolator for Car Audio/Home Stereo System (Eliminate The Buzzing Noise Completely) with 3.5mm Audio Cable-bluetooth adapter 30 pin for Bose Soundock bose adapter sounddock bose bluet. Ground loops and engine whine cause common problems such as a high-pitched whine that varies with engine RPM's, various thumps while changing tracks, turn on/off thumps, etc. ![]() Alrighty guys, since we no longer have access to the other ground loop fix thread, thanks to someone (you know who you are), I'm making a new thread about it.
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