Auto electrician - window and central locking issue

Audrey requested 3 quotes from Mechanics in Albanvale

1. Driver's window jumping when window goes up and down
2. Back door not locking with central locking

Car Stereo installed
I'm thinking of buying a new CD Tuner for my 2007 Lancer (CH) and wanted to...

Replace steering column
replacd steering column I already have another column for it

Car speaker installation
Need to install 1 sub box and amp kit to my existing stereo.