Brand new article How to Remove Vinyl and Ghosting on our Ask a Pro Blog by Greg Gellas from Signature Detailing that goes over this exact topic. Lots of great pictures and specific directions for each step.

Greg @ DI

 

The 3M products are great especially there new scratch remover. When scratch remover and light compound wouldn't remove the ghost from where I removed my Mt. Fuji emblem a few passes with a high speed buffer and compound was the answer. Finished with a few coats of Zymol concourse wax and she is SLICK....Gary