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When i first bought my 92 GS it had battery acid build up on the negative cable so i cleaned it off. Now 3 weeks later theres green dust overflowing off both = and - . Could this be a bad cable or just and old battery? My stereo starts its demo all over sometimes which would say old battery but never a prob starting the car.

yea go ahead and get you a new battery there not that expensive, and you said this ones old. I recommend an Optima battery love mine and your more than likely never going to have to replace it

I had a yellow top optima and it lasted exactly 30 months just like it said on the label. I'm not sure about the red top.

Very good battery while I had it, but probably not worth the price for the life expectancy IMO unless you are racing and you need superior reliability!

I seem to remember that the yellowtop is mostly used in car audio installations. The redtop might be better as a start battery.

-n

I have a red top, so far so good

If you want to stop the corrosion do a few things-
1. clean the battery and cable neds with a wire brush
2. pour some Coke on the battery terminals (seriously, the acid in coke will clean the contacts and help rpevent futur build-up). I would bet diet coke would work just as well, and not attract ants.
3. clean the negative end where it attaches to the car and make sure there is no rust in the area. Repaint any rusted areas after cleaning the rust off- do not paint the contact area for the ground.
4. get some of the little rings that they sell at AutoZone to help prevent battery corrosion. Cost about a dollar and work very well. Basically all they are is a felt ring, so you could easily make your own. The principle behind it is that the cable and battery top are not touching and thus not attracing the ions that cause the buildup.

Thanks

Wait a minute thow?? You mean the bottom surface of the cables dont go down as snug as they can on the battery top? Leave a space?