GTcarz - Automotive forums for cars & trucks.

Quote:

Originally Posted by l00lbpatty (Post 210960)

id be a better investment to upgrade battery, alternator, an wiring like the big 3 then to add a cap. but honestly u dont really need to do any of that unless ur amps are using more then 1000 watts... ive been running 1200watts(its an underrated amp so prolly more like 1400) an the most i get is slight dimming of car lights an thats only when i have the heater on an the subs running at full tilt.

pentavolvo im just wondering would u happen to be running eD gear?

if your lights dim you are running low voltage (that's what a cap stops) no a cap isn't needed for every install, but you don't need a spare tire all the time, but isn't it nice to have?