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Would an alternator overcharging cause the battery to want to boil over? Also charge light comes off and on or in and out. Checked all grounds and the alternator was a little loose fixed that, things where fine but started all over again after about a 1/2 hr

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My old but now gone Luv...

Your voltage regulator might be the problem, but for me I have never had a battery boil over before so I'm not completely sure.

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1975 V8 Luv
1980 Bagged Luv

yep it could very well be the voltage regulator

p.s. be carefull what you hook wires up to on the fuse block

I would say regulator is sticking in the full charge positition. Also be careful around that boiling battery. It's basically a bomb, along with all the gasses around it. One spark can ruin your whole LUV.

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OK, I'm over it. Where's the beer?

It could be the battery itself. You could have a dead cell and the charging system is trying to compensate for it. The other 5 cells are being over charged because of the one dead cell.
Play it safe and get the battery tested.

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Previous setup: 4.1 Buick V-6/TH 350
Current setup: 400 Small Block Chevy V-8/TH 350
9" ford rear end/short bed/blue
What do Water, Electricity and Humans have in common... They all travel the path of least resistance.

thanks guys ..... found my gremlin......RUST. pulled one from my stock , plugged it in and all fixed

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My old but now gone Luv...

Boy have I ever been there and done that.

And that is exactly why I don't buy cheap alternators, cheap voltage regulators, cheap batteries, or thin flimsy cables with crappy bolt-on terminal ends.

Having one battery blow up in a work truck way out in the middle of nowhere and darn near scare me to tears years ago taught me very well the importance of a good solid reliable charging and electrial circuit.

And any circumstances that nearly cause me to soil my britches tend to get my undivided attention and leave a long lasting impression in my poor old tired memory.

You see...I may be dumb...but I do catch on slow....lol