back in the "day" a whine in the radio that increased with rpm was caused by bad spark plugs or spark plug wires... Have you recently done any work in that area?
2016 SXT PLUS
Ivory Tri-Coat Pearl
Originally Posted by krautmaster
back in the "day" a whine in the radio that increased with rpm was caused by bad spark plugs or spark plug wires... Have you recently done any work in that area?
No spark plug wires........
OP, as you said nowadays it's usually a ground problem. I'd start with the engine grounds.