Ford 600 dead battery

Jesse Goodling · Jan 16, 2018

My Ford 600 wasn't charging so I installed a new voltage regulator, seemed to be charging good. I ran it Saturday afternoon and now when I went out to start it, it was dead dead, nothing. I tried to jump it with another 6 volt battery and as soon as I hooked up the jumper cables, the amp meter showed full negative charge, and not enough juice to barely turn it over. I know the jumper battery is good as I jumped it with my 9N. I didn't want to leave it on too long with the full negative discharge, thought something could be shorted somewhere. Jumped it positive to positive and negative to neg. Could the 600 battery have a direct short or a bad cell, and did the VR go bad again? Thanks for all the help.

rvirgil_KS · Jan 16, 2018

Stuck cut out contacts in regulator?

souNdguy · Jan 16, 2018

could it? how about testing it! instead of guessingit!

remove bat cables from the 600 battery and jumper over with the donor battery.. if discharge still exists, it wasn't the 600 battery... pull the bat wire off the vreg and see if the draw goes away.. if yes, the cutout relay in the vreg is stuck. could even be welded if the polarity wasn't correct at original hookup.

nashranch · Jan 16, 2018

When I bought my 640 it had a real weak 12V battery with a generator and regulator. It wasn't charging so I had the Gen. checked out, it was OK so I bought a 12V Reg. from the YT site. It still wouldn't charge. Frustrated now I pulled the 12v reg., the 12v batt and put in a good 6V batt from my 2N and bought a Sparex brand 6V Reg. from NAPA. C * * P I said. Pulled everything and went to NAPA and bought a Reman 12V 1 Wire Alternator and bought a new 12 V Battery. Rewired as needed. Working great now and the wiring is so simple.

nashranch · Jan 16, 2018

What I used if you're interested

Sean in PA · Jan 16, 2018

(quoted from post at 16:06:04 01/16/18) [b:f0b309a286]When I bought my 640 it had a real weak 12V battery with a generator and regulator[/b:f0b309a286]. It wasn't charging so I had the Gen. checked out, it was OK so I bought a 12V Reg. from the YT site. It still wouldn't charge. Frustrated now I pulled the 12v reg., the 12v batt and put in a good 6V batt from my 2N and bought a Sparex brand 6V Reg. from NAPA. C * * P I said. Pulled everything and went to NAPA and bought a Reman 12V 1 Wire Alternator and bought a new 12 V Battery. Rewired as needed. Working great now and the wiring is so simple.

It most likely still had the original 6 volt generator and regulator when you bought it and the previous owner just threw a 12 volt battery in to get it to start so they could sell it. Replacing the 6 volt regulator with a 12 volt regulator didn't help because the 6 volt generator didn't make the voltage needed to drive a 12 volt regulator properly.

nashranch · Jan 16, 2018

I don't think so because it had a 12volt blue streak coil and also the gen. and starter had a local auto electric service stickers on them.

Jesse Goodling · Jan 16, 2018

I did take out the 600 battery and jumped it with the other battery, but the same thing happened with the amp meter, I'll try testing the VR tonight as you suggest. Thanks for the help.

Jesse Goodling · Jan 17, 2018

Put in new voltage regulator and now it is overcharging, mid rpms at about 13 volts. After reading some older posts, could there be a bad field wire and how to tell? Thanks...

nashranch · Jan 17, 2018

(quoted from post at 18:40:44 01/17/18) Put in new voltage regulator and now it is overcharging, mid rpms at about 13 volts. After reading some older posts, could there be a bad field wire and how to tell? Thanks...

What does it do with a load on it like headlights?

Ford 600 dead battery

Jesse Goodling

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rvirgil_KS

Well-known Member

souNdguy

Well-known Member

nashranch

Well-known Member

nashranch

Well-known Member

Sean in PA

Well-known Member

nashranch

Well-known Member

Jesse Goodling

Member

Jesse Goodling

Member

nashranch

Well-known Member

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