Where to go thru the firewall for amp install wires?

[beatbox]

Is there a factory plug i can pull for access thru the firewall or do i need to drill?

Where should I be focusing?

I can't get the pinned amp install thead above my thread to open the pdf link......it keeps asking me to sign in

:iono:

[2009Toyotoad]

I thought there was an existing hole over by the ECU in the engine bay. Seem like it was just to the left of the ECU.