| Battery dead after parking overnight |
Parasitic drain |
Current draw with key off |
| Lights dim during bass hits |
Insufficient power system |
Voltage under load |
| Battery warning light |
Alternator or battery issue |
Charge and load test |
| System loses power at high volume |
Voltage dropping below protect threshold |
Measure voltage under load |
| Fuse keeps blowing |
Short circuit or undersized wire |
Find short, upsize wire |
| Burning smell from wiring |
Wire too small for current, connection problem |
Inspect all connections immediately |