Car Electronics Installer how-to
How to Run Power Wire for an Amplifier
Safe power prevents fires.
Quick answer
Safe power prevents fires. In short: pick; install; route, then complete the remaining steps below.
Step by step
Pick the right wire gauge.
Install a fuse near the battery.
Route through a grommet.
Keep away from sharp edges.
Ground to bare metal.
Test voltage.
Safety reminders for car electronics installers
- Disconnect batteries when needed
- Fuse all power wires
- Avoid airbag circuits
- Use eye protection
Key terms
Head unit · Amplifier · Subwoofer · Harness adapter · CAN bus · Remote starter: see the full car electronics installer glossary.