suggestions on voltage drops?

Is your truck running ? If so you should have 14.5 volts when running with nothing else on . Sounds like your alt. is not putting out . Time for a new one .
+1 I tested mine today. Sundown 1500 putting 800w at 2 ohm with just upgraded bat ground and I got from 14.08 to 13.8ish you shouldnt be getting that hard of a drop.

 
I heard that if you add a second battery then you are adding extra strain on your alt and may kill the diodes (even with a split charge relay). Im not saying this is true its just what i've heard; what do you guys think?

 
I heard that if you add a second battery then you are adding extra strain on your alt and may kill the diodes (even with a split charge relay). Im not saying this is true its just what i've heard; what do you guys think?


I've heard a battery does put a strain on a weak alternator. I would think a strong alt. should handle it.

 
What kind of battery do you currently have? Not sure if you mentioned it or not.. If it's a stock battery the first thing I would do is get a Optima G31 / Deka / Kinetik. Then get a higher output alternator.

 
well i just guessed those volts im in the hospital recoverying from surgery atm

so say my alt is putting out 14 volts would the kinetik hk1400 along with the redtop work?

or should i just add another red top?

 
my current setup is 2 12" l5 kickers powered by a 1200.1 Kicker amp and i was wondering what you guys recommend for wire size going from bat to amp i have 1/0 on there now and wondering if i'm losing power its about a 15ft run
(i have done the big 3 and i still have pretty large voltage drops)

and to my knowledge the stock alt is 100/105
get your electrical looked at at a autozone or pep boys for free. stock electrical should be able to handle 1200 watts if it is 100 amps +. they can make sure your regulator and battery are ok too.

 
I heard that if you add a second battery then you are adding extra strain on your alt and may kill the diodes (even with a split charge relay). Im not saying this is true its just what i've heard; what do you guys think?
if one of the batteries is dead.....

 
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