Front doors are 6x9" ovals, rear doors are 6.5" round, all the squawkers are about 1.5 " . All the speakers are 2 ohms. Sorry, never worked with the alternator so no info there.kasimo420 said:Thanks for the help. Anyone else I have seen a few guys do audio upgrades so was hoping for your input.
adapter for 6.5'' speakers
Amazon.com: Scosche SAT69 4-Runner Speaker Adapter for 2003 Toyota: Electronics