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04-05-2021, 07:02 PM | #1 |
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Join Date: Nov 2015
Location: Roseville Ca.
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Charging 6 volt Battery
Any special instructions when going to charge a 6 volt Pos ground Battery while in the car ??
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04-05-2021, 07:19 PM | #2 |
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Join Date: Jun 2010
Location: San Antonio, Texas
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Re: Charging 6 volt Battery
Like anything with the old cars and unknown modifications, it depends on what the car has for a charging system. If the car has an original type generator and cut out relay or an alternator conversion then a person can connect and charge the battery as long as they have a 6-volt charger. If the car has a fun projects regulator on top of the generator then the ground lead should be disconnected from the battery for charging. Just be sure to get a good reconnect before starting the engine. The Fun Projects set up is sentitive to bad connections of either power or ground.
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04-05-2021, 08:10 PM | #3 |
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Re: Charging 6 volt Battery
Here goes, I likely have done it wrong for 25 years but I put the 6 volt negative charger cable on the starter and the 6 volt positive cable on the head bolt. It’s never failed me. Wayne
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04-05-2021, 09:14 PM | #4 | |
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Re: Charging 6 volt Battery
Quote:
Of course I’ve been doing it wrong on my Model A for the last 7 years with my a Battery Tender (BT), but it seems to work. The BT is electronic so maybe it can adjust to the polarity. The BT only provides 2 amps of output so it could be that it is not enough current to damage the battery. David Serrano |
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04-05-2021, 09:23 PM | #5 | |
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Re: Charging 6 volt Battery
Quote:
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04-05-2021, 11:29 PM | #6 |
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Re: Charging 6 volt Battery
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04-06-2021, 08:15 AM | #7 |
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Re: Charging 6 volt Battery
" The sparks that will result in doing it that way should alert you to the problem. "
LOL ! |
04-06-2021, 09:18 AM | #8 | |
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Re: Charging 6 volt Battery
Quote:
I have been doing it this way since 1963 with both the original generators and 6V alternators using 6V chargers and battery tenders. No problems. |
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04-06-2021, 10:36 AM | #9 |
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Join Date: May 2010
Location: Largo Florida
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Re: Charging 6 volt Battery
I just use a quick connector with + to grd and - to starter. So I just plug the connector together and walk away.
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04-06-2021, 07:25 PM | #10 |
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Re: Charging 6 volt Battery
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04-06-2021, 09:55 PM | #11 |
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Join Date: Sep 2014
Posts: 515
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Re: Charging 6 volt Battery
I charge the battery in the car, no matter how the battery is connected. I don’t charge the car.
Positive terminal to the positive battery terminal, negative to negative. |
04-06-2021, 10:24 PM | #12 |
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Re: Charging 6 volt Battery
Simple and true
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04-06-2021, 11:42 PM | #13 |
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Re: Charging 6 volt Battery
[QUOTE=rotorwrench If the car has a fun projects regulator on top of the generator then the ground lead should be disconnected from the battery for charging. Just be sure to get a good reconnect before starting the engine. The Fun Projects set up is sentitive to bad connections of either power or ground.[/QUOTE]
Is this info in the paperwork included when you buy a fun projects? |
04-07-2021, 12:03 AM | #14 |
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Location: Melbourne, Australia
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Re: Charging 6 volt Battery
Originally Posted by McMimmcs View Post
Here goes, I likely have done it wrong for 25 years but I put the 6 volt negative charger cable on the starter and the 6 volt positive cable on the head bolt. It’s never failed me. Wayne I have been doing it this way since 1963 with both the original generators and 6V alternators using 6V chargers and battery tenders. No problems. That's right, For a positive earth system, negative goes to the battery neg and positive to earth (Head nut)
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