Will this plug directly into my truck's existing wiring?

Yes. The connector matches factory harnesses on these models — no splicing or adapter needed. Plug it into the mirror control circuit and you're done.

How long does the heating element take to work?

Heating activates immediately when you toggle the mirror heat switch. Heavy frost clears in 30–60 seconds depending on outside temperature.

What if the heated side came on my truck — will both mirrors work together?

This is a standalone right-side assembly. If your truck already has a heated mirror on the driver's side, both will operate independently through the same control switch.