How to tell what my alternator output is

Cant tell with alt in car..

gotten be another way. old one gone replaced with 100amp, alt output "out of range" was installed last week. I need another to bring with me to have it replaced.

Thank you, Sir. I'll do that Monday.

Sounds like you have my luck.. I'm certain my alternator win be the most costly of them all, lol. It'll end up being something special that I'll have to get at the dealer. Thanks again.

Go to Densofindmypart.com and it will give you the exact OEM part number. I use this all the time on my 4 Toyotas.

210-0543 is standard 100 amp. And 210-0568 is the optional 130 amp alternator for your 04 highlander. See if you can read either of these numbers off your alternator.