Yes you can. Make sure it's clean and buy paint made for vinyl siding. Did this many times.

Black is hot and white is common. Guage must match what is there already and it does matter the position for each. And always cut the break before you begin.

Depending on how wide the grout lines are and the condition best to chisele them or if they are in decent shape, use grout clean and regrout where needed. Make sure you seal the grout after. Really though...

Depending on how wide the grout lines are and the condition best to chisele them or if they are in decent shape, use grout clean and regrout where needed. Make sure you seal the grout after. Really though...