Replace amp first.
You can do it for dramatically less than $1000.
The only time that should cost you $1000 is when you hire someone to do it for you and they screw you.
2001 Alpine / Schwartz Coupe
2001 Estoril / Estoril Coupe
2001 Steel Grey / Estoril Coupe
1999 Estoril / Estoril Coupe
Sunroofs are for girls.