Do I need to prime my control panel?

[Los Abrazos Rotos]

I've done a bit of work on my control panel, basically it had pre cut holes so I have plated behind and used auto filler. It looks good & is strong but i was wondering - is it necessary to prime before I apply the control panel overlay?  I wonder how the adhesive would stick to the auto filler...  Any thoughts?

cheers 

[lanman31337]

It's not necessary if you're using an adhesive.  I would scuff it up with some 150 grit.  Are you using an overlay that has adhesive on it or are you using a contact cement/3m spray?

[Well Fed Games]

I primed mine, if nothing else to give a little more uniformity to the texture & color under the overlay.

[Los Abrazos Rotos]

Its adhesive backed, thanks for the advice 

[kahlid74]

I've done it both ways.  Someone screamed that you should always prime before layering adhesive on but at the end of the day, I really didn't know a difference.  In the end the adhesives were strong enough where they held through.