Battery keeps dying

[Serstylz2]

Well I had to get my car jumped on Thursday to go to the Mitsu dealership.. wasnt sure why.. it ran real well after I got it jumped, and todau I go out there and again the battery is dead. My friend thinks its because I moved my ground wire from one of my taillight bolts to a bolt on the roof of the trunk inside.. like right beneath the brake lights. Is that why? And where does everyone else ground their amp?

[VegasMatt]

What about the alternator?

[Serstylz2]

No idea.. how could i go about diagnosing that?

[Serstylz2]

buuuump

[MidNightRacing]

So it happened after you instaled your amp? I say check your wiring the amp might be staying on pulling power from the bat. as for testing the alt. im not to sure but try this get a volt meter and see the battery voltage around 2-3k should be around 14.2-14.8 (give or take .1 or .2 )

[Djayfusion99_es_v6]

i grounded my amp to the chassis just use sand paper, a screw, and done