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My car's battery was
showing in need of a charge to I hooked up my 3 amp battery charger set at 6
V. It showed about a 1/2 to 3/4 amp charge. Left it overnight and
totally dead. So, I tried a new Interstate that had been shelf sitting for
3 years or more and it was dead.
Bought a new 6 V
battery from Napa and installed it and cranked car and drove it under
carport. Noticed the amp meter going negative when I juiced the motor and
positive when I turned on the lights. Shut is off and went to bed and i
woke up in the middle of the night realizing this car must have been like the
old Fords of the era and had a positive ground. Got my shop manual out and
verified it is a positive ground. So, I took the battery to my shop and
connected the battery charger and it only registered a 3/4 amp charge when I put
the positive battery charger on positive battery and neg on neg. I then
reversed the charger connections and it jumped to 3 plus amps which is all this
little W.T. Grant charger, that is 50 or more years old, can
handle.
Then I decided to
just remove the battery charger and see if I should be doing it reversed.
On the surface it seems that that would be correct but wanted to run it by folks
who have more experienced with the 6V pso ground stuff than me. Even my
M/ASE mechanic said he did not know as it was before his
time.
TIA
Tom
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