Fan on amp comes on a lot

[adulbrich 5,000+ posts]

So how does Agm batteries help with voltage drop? Is it the extra amount of reserve they have?

And is there a way to measure how much amperage my Amp is pulling at full tilt?

I have a volt meter and a clamp meter.

AGM batteries usually crank more than standard batteries.

If you have a DC clamp meter, just set it to peak/hold and full-tilt on a few songs. If you have a standard AC clamp meter like most people, that won't work.

 

[Ekisaacs]

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AGM batteries usually crank more than standard batteries.
If you have a DC clamp meter, just set it to peak/hold and full-tilt on a few songs. If you have a standard AC clamp meter like most people, that won't work.

So I checked the voltage drop at the amp with a few different bass heavy songs and the truck idling and it mainly stays around 13.0-13.25 but a few times it did dip down to 12.75.

This was with a craftsman multimeter set at D.C. Voltage.

12.75 was the lowest I seen while idling on a bass heavy song at full blast.

Someone said as long as you don't go below 13.0 your fine, is 12.75 a danger to the amp?

 

[adulbrich 5,000+ posts]

​

So I checked the voltage drop at the amp with a few different bass heavy songs and the truck idling and it mainly stays around 13.0-13.25 but a few times it did dip down to 12.75.

This was with a craftsman multimeter set at D.C. Voltage.

12.75 was the lowest I seen while idling on a bass heavy song at full blast.

Someone said as long as you don't go below 13.0 your fine, is 12.75 a danger to the amp?

12.75 is about battery resting voltage. Your alternator is just not keeping up with current demand.

I don't like voltage drop, but 12.75 isn't serious danger.

 

[Ekisaacs]

12.75 is about battery resting voltage. Your alternator is just not keeping up with current demand.
I don't like voltage drop, but 12.75 isn't serious danger.

Do you think the voltage drop would get better if I replaced the 4 gauge power wire with 0 gauge power wire?

 

[Boomin_tahoe 5,000+ posts]

Do you think the voltage drop would get better if I replaced the 4 gauge power wire with 0 gauge power wire?

It might help a little but don't expect a huge increase.

Note: I just don't understand why some people don't give their amps suggested power/ground wire size. Instead, they undermine them.

 

[adulbrich 5,000+ posts]

Do you think the voltage drop would get better if I replaced the 4 gauge power wire with 0 gauge power wire?

It wouldn't hurt anything

 

[Ekisaacs]

It wouldn't hurt anything

Wouldn't hurt anything to run 0 gauge or to continue running the 4 gauge?

 

[adulbrich 5,000+ posts]

Wouldn't hurt anything to run 0 gauge or to continue running the 4 gauge?

Wouldn't hurt to use zero gauge