Re: Six volt Sunday
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Chronic low voltage makes for a tired battery, a lazy starter, and yellowish lights. Ignition system performance, eespecially when cranking the engine, will be reduced.
Voltage regulators are delicate things, and care and a good meter are needed when attempting to adjust one. Overcharging/overvoltage is bad, too, and will lead to burned out bulbs and battery issues. I'd want to start any adjustment procedure with a good battery that is fully charged, or very close to it. A low battery or a battery in poor condition may make adjustment more difficult. As always, all connections should be clean and tight. A regulator that has had moisture inside it will usually show some internal corrosion, and may not accept or hold a proper adjustment, and one with badly burned points may not be reliable. Ideally, the inside of the regulator will look shiney and new, and the points will have minimal erosion or burning.
Posted on: 2023/4/29 19:43
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Re: Six volt Sunday
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This is a very timely topic, as I'm just had my generator rebuilt after it got hot and upon inspection I found it had "thrown solder" Shop calibrated my regulator at the same time, which was okay for a bit, but then started acting up, not charging. Generator was fine, it was regulator troubles. Had two spare regulators, one didn't work, the other did.
My car, 53 Cavalier, should have a 45 amp regulator, but the one on it is 41 amp, is this potentially a problem? The one that was on when the generator died was a 41 amp as well. The "Voltage Regulator" points were burnt, which I don't know if that was what caused my generator to burn up, or happened because my generator burned up? I'm thinking I should get a new regulator, the proper size. Did I see somewhere on here that someone was making a solid state regulator that looked like the factory regulator? Or did I see that somewhere else? Happy Sunday!
Posted on: 2023/4/30 9:55
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Re: Six volt Sunday
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Thanks for the tips Ross! I'm going to give this a go tomorrow and see what happens.
-Kevin
Posted on: 2023/4/30 10:22
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Re: Six volt Sunday
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Check this stuff out!!! I didn't know any of it past the charging voltages. I'll wager that the '46 could use a screw turn herself. It does hold the battery up. It's a good battery and will stay up all by itself for many weeks at a time.
More innerestin' than the NFL draft . . . . :rolleyes:
Posted on: 2023/4/30 11:20
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If you're not having fun, maybe it's your own damned fault.
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Re: Six volt Sunday
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In the case of replacing a specified 45 amp regulator with a 41 map regulator, I don't think you'd have any trouble at all. You'd just have a slightly lower maximum charging rate, which the generator will appreciate.
Sometimes, tapping lightly on a balky regulator with a screwdriver handle will get it working again. It may keep working for a long time, or it may not. Always check all connections, including any ground wires between the regulator and the generator. If the car has an engine to frame ground, it should be in good condition. If it does not have one, adding a substantial ground cable between the engine and the car frame may improve the starter performance and generator reliability.
Posted on: 2023/4/30 12:49
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Re: Six volt Sunday
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Quote:
Did I see somewhere on here that someone was making a solid state regulator that looked like the factory regulator? Or did I see that somewhere else? I’m working on a solid state regulator which so far is in the prototype stage and in the Delco-Remy style. However, while switchable from 6v to 12v, the design is only negative ground as I’ve not yet found one for positive.
Posted on: 2023/4/30 13:04
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Re: Six volt Sunday
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As long as the 41 amp has current regulation it will be fine, as it will regulate the generator current to its capacity. If not, it could be a bit of a problem, but that's still only a 10% difference if mated to a 45A generator.
The high current output would only happen at a lot of accessories on and/or a very discharged battery.
Posted on: 2023/4/30 19:30
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Re: Six volt Sunday
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If one day you do one for a 6v positive ground let us know! I'm not a big fan of too much "modernization", but for something that makes the car more reliable and is easily changed back, that's okay.
Posted on: 2023/5/1 9:48
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Re: Six volt Sunday
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Lights, heater fan, horns and Pwr Ant........I think I should be okay with 41 amps! Thank you!
Posted on: 2023/5/1 9:51
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