Mirror Turn Signal Voltage

I just ordered some Sanooer Tow mirrors after the FP+ mirrors failed to ship within 14 weeks.
Long story I'll tell another day.

Anyway I currently do not have turn signals in my mirrors. I planned to tap the fuse for the turn signals and run wires into my doors so the new mirrors will have it.

Before I do so, can someone who DOES have turn signals in their mirrors and likes to tinker check what the voltage is for those?

Or if anyone just happens to know the turn signal light voltage for the mirrors could tell me before I attempt to wire this and blow my truck up?

 

Their site doesn't show tow mirrors for 3rd gen, 07-21 only.

 

Turns out it didn't matter. The new mirrors whistled worse... So I'm returning them.