Does it have to be a 4ga or 0ga wire?. Cuz if it does that aint gonna happen because i don't have 20ft of any power/ground wire. I dont think i have 20ft of ANY wire atm.
i use 12 ga for the test. doesnt matter what kind of wire you use, just make sure to measure the resistance of it before you do the test.
NO. obvioisly you havent read a **** thing, his voltage is dropping ONLY at the amps. not the battery. this means something isnt right, either a bad connection or ground or something. im trying to walk him through a few ways to find out if his grounds are solid as well as eliminating the distro as a problem.
Well I haven't been able to do the wire test yet because I'm working but I was able to check the resistance of the grounds up front and in the rear and all read 0.2-0.3ohms resistance which would suggest that the grounds are good. And the amp GETS the same voltage as what is read up front. Minus like a tenth of a volt due to slight resistance in the line. So if I read 14.1v at the alt or battery the amp will read about 14.04 or spmething. But it's when it's playing that the voltage can drop drastically at the amp. Maybe I'll try to get a video of it.
I guess, I'm missing something. So what amp, how big is the alternator and how many extra batteries?
Ok here's the video. It's not quite a 2v difference but it's still quite a large variation and the voltage is holding much stronger at the battery.
never bothered to ask because the voltage at the battery stays where it should. ive never seen the battery stay at 13.6 and the amp drop to sub-11V sue to too much current draw. ive seen battery AND amp voltage drop due to that tho. and the info is in his sig. big 3 in 0ga. 0ga run to the back. RF 2500.1 BDCP and an AQ 200.2 no extra batts are listed. and hes at 2 ohms, so current draw shouldnt be that high unless hes clipping the **** out of the signal. but even then battery voltage would drop too.
I have a 250A ANL Fuse up front within about 8 inches of the battery.
