Came here to hand a big thank you to RedRocket! :clap:
Your instructions rock!
With them, I successfully replaced the insult of a ( 9 speaker Harman) sound system the Ford engineers put into my GT Convertible with:
46CSC354
46CSS674
46CSC674
JBL4086
PACPro AP4-FD31
No-Name Spare Tire Subwoover...