How to Install a Car Amp - Installing a DIY Car Amplifier
Connecting amplifier to battery - 2010 2011 BMW 5 Series Forum F10
wiring - Can I ground an amplifier on a bolt that touches the chassis or does my ground need to touch the chassis? - Motor Vehicle Maintenance & Repair Stack Exchange
How to Install Car Amplifier - Steps Explained - Audiosolace
Step-by-step Instructions for Wiring an Amplifier in Your Car
Car Audio Myth – You Can't Ground a Car Audio Amplifier to the Battery
3 Ways to Wire an Amp to a Sub and Head Unit - wikiHow
How To Connect & Power A Car Amp In Your Home + Diagrams