Audio system failure

[MurphysLaw]

I've got a 93 k2500 with a 600w amp and a 600w 12 inch sub. While I'm driving, everytime the sub hits its drawing enough power to make my gauges jump, and apparently now enough to stall my truck. I have a yellow top optima (brand new). Now the truck doesn't always stall, it was while I was parking, I gave it throttle and it stalled. My thought is even with the optima, my draw is too much. When I turn the headlights while driving with the radio on and the bass up on my whole audio system shuts off and reboots. I've sanded the ground down to bare metal, but I'm considering now buying a kinetik power cell because I'm tired this, any advice to be given?

[Doober]

A battery isn't enough to supply constant power to an electrical system, you need a better alternator.

[MurphysLaw]

Ok, ill look into it, thanks.

[NHurless93]

The gauges in my 92 would jump all the time when the alternator went out so it might be possible that yours is on its way out too, might take it to a parts store and have it tested and possibly replace it with a high output alternator.

[MurphysLaw]

Well its definitely the added accessories causing the stress on the alternator, I had no problems before adding the sub and amp. So I'm thinking the alternators the way to go. Was just hoping for a slightly cheaper solution after the 4k o just dropped into the motor, granny, and gears.

[Quyonmob]

Was just hoping for a slightly cheaper solution after the 4k o just dropped into the motor, granny, and gears.

Granny's are supposed to leave you money when they go. :looking:

[Doober]

Also make sure your grounds are good, battery-block, block-cab, cab-battery. The extra current the amp draws is going to make everything else dim especially if it's grounded to the cab.

[MurphysLaw]

Haha yeah I catch my typos. But on a mobile its a pain to fix. Ok so I've learned that grounding to the cab, not the best. I figured but oh well, time to fix that haha

[Quyonmob]

Definitely ground to the frame.

[MurphysLaw]

Technically I didn't wire my stuff up my buddy did but I didn't disagree with what he did cuz it was easy and i know crap about electrical. So I'm hoping that'll be the ending verdict. Thanks everyone for the help! And just an FYI, my granny is a penny pincher... :damnit:

[MurphysLaw]

So as a follow up, it wasn't the alternator. I can say that's true because well...I put a new one in and still have a problem. Unfortunately its not even the sub and amp. They've been disconnected so technically this article should no longer be in this section. But I've moved on to finding possible corrosion points. I've had mo luck so far, I'm gnna throw a buddies code reader on and see if anything comes up.

[Doober]

The stereo shutting off/returning is a sign of too little voltage/current. A code reader won't tell you anything, a)because it's OBD 1 and you just use a paper clip on the ALDL plug, and 2)it wouldn't report anything that would help you.

[MurphysLaw]

Yep, hence why I thought about it after I posted that and then...didnt do it haha. Tmrw I'm checking ground straps and cleaning connections. Removing cluster and checking there. If nothing helps, its going to the shop. I need my truck working 100% Thursday