Originally Posted by DC Rider
Just went from the stock radio to a new aftermarket radio and now i've got what I'm assuming is alternator whining coming from the speakers. The higher the revs from the engine the louder it gets.
The wiring adapter I got for the aftermarket H/U had two grounds and I only connected one to the new H/U. Wondering if I picked the wrong one or should of done both. Anyone have ideas on what I should look for?
I'm still using the stock infinity amp, I just swapped out the stock radio for a new aftermarket.
I'm having a similar issue -- are you using the ground from the harness, or are you using a ground from the vehicle to the new H/U?