Accidentally shorted my alternator my lights work charge light comes on truck won't start now what?

May be a Fuse or Fusible link.
Most Vehicles don't need and Alternator to run.
Head Lights bright? What works/ what doesn't?

Test all under hood and under dash fuses with a test light or multimeter:

https://www.askmehelpdesk.com/cars-t...tml#post252145

Hopefully, you did not short out the ECM. This link should help:

https://www.askmehelpdesk.com/cars-t...ml#post2123675