What stage are you currently at in the process?
STAGE 1
Planning
I'd like to discuss my avionics options.
STAGE 2
Planning
I already know what avionics I want, now let's design the panel.
STAGE 3
Wiring/Installation
I have my panel and avionics, let's finish the job.
STAGE 4
Upgrade
I want to upgrade the avionics that are currently in my panel.