Headlight dimming for subwoofers and amp how do i dtop?

Other answer:

ulysses:
The first 3 answers are basically wrong. The only thing that will prevent headlight flicker is a more powerful alternator that will handle the high drain on your electrical system. Sub amps draw a lot of power, especially at high volume. A second battery or a higher amp-hour battery will only delay the voltage from dropping too far in a short time. You need a higher output alternator to keep the battery (or batteries) fully charged. Until you can replace your alternator with a high output model ($$$), all you can do is turn down the sub volume or not drive in the dark for very long.
Watson:
Add an additional battery. Don't turn up the stereo so loud. Use heavier gauge power and ground wires.
Ogden:
Add an additional battery. Don't turn up the stereo so loud. Use heavier gauge power and ground wires.
don r:
Add an additional battery. Don't turn up the stereo so loud. Use heavier gauge power and ground wires.
Oliver:
Wherever the voltage drop is, fix it and your headlights won't dim.
edidson:
Disconnect the amp until you get the system re-designed
George:
Wherever the voltage drop is, fix it and your headlights won't dim.
jon_mac_usa_007:
You might need a second alternator and battery.
Home Theater Guy:
Disconnect the amp until you get the system re-designed
talbot:
Do it retell,by sun thought,no if it is necessary?

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