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Confirm an alternator conclusion? |
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poormansMACHINE
AMC Addicted Charter Member Joined: Jun/28/2007 Location: Shoemaker-Levy9 Status: Offline Points: 12302 |
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Posted: Jan/06/2010 at 4:45pm |
In horse shoes and molotov coctails. |
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kensamc
Supporter of TheAMCForum Joined: Jul/29/2009 Location: Chicago Status: Offline Points: 393 |
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Bill
BTW, I need to update my signature .... succumbed to the economy and sold the Ambassador to Forest. Also looking to sell one of the Eagles, but I'm guessing you like 'em a bit older .....
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1986 Jeep Corp Grand Wagoneer
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ramblinfsj
AMC Addicted Joined: Jul/07/2007 Location: Lubbock, Texas Status: Offline Points: 1611 |
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I totally agree. I have a hand full of AMC's myself and the one I will always have in my driveway is a Grand Wagoneer. They are the best in any situation............... except for fuel milage.
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1982 Jeep J-20
1965 Rambler American 220 1978 Jeep Cherokee w/401 1983 Jeep J-10 1979 Concord DL 2dr |
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gwryder
Supporter of TheAMCForum Joined: Jun/30/2009 Location: Michigan Status: Offline Points: 710 |
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Billd,
True, a voltage regulator only senses voltage, but voltage is a function of Ohms law. The real brains in the system is the battery. The regulator only responds to voltage, while the alternator is a current device. All the resistances in the charging system will affect battery charging and voltage, that's why having all connections clean is important. Also, the engine should run ~ 2000 rpm for the alternator to put out enough current. Lower speeds will affect output. It's very likely that idling with accessories on will drain the battery.
To do this correctly, the specific gravity of the battery electrolite must be know. That's the only way one can tell the state of charge of the battery. If a battery is sulfated, the effective resistance is high, but the specific gravity is low, so the state of charge of the battery is low, even though the battery could read ~14 volts, indicating a charged battery. With the battery voltage high, the regulator thinks the battery is charged, but the specific gravity will say it's not. I'm sure you've seen this in your days.
gwryder
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John
70 AMX |
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billd
Moderator Group Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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You have a pretty nice collection listed in your sig area - nothing at all to be ashamed of, and I'd be happy to have a couple of 'em myself!
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kensamc
Supporter of TheAMCForum Joined: Jul/29/2009 Location: Chicago Status: Offline Points: 393 |
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Amby wagon with a 343 ..... that's on my "someday" list........
For now, happy with my preChrysler Jeep, my Eagles and my first big project, the 58 Cross Country. Every confidence in AMC and that all these cars will be the only one of their kind in my neighborhood or local cruise..... |
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1986 Jeep Corp Grand Wagoneer
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billd
Moderator Group Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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Sometimes "close enough" counts, eh? LOL
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ramblinfsj
AMC Addicted Joined: Jul/07/2007 Location: Lubbock, Texas Status: Offline Points: 1611 |
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Yeah I shouldn't have said 14v period but around 14v.
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1982 Jeep J-20
1965 Rambler American 220 1978 Jeep Cherokee w/401 1983 Jeep J-10 1979 Concord DL 2dr |
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16614 |
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billd
Moderator Group Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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Most of all, enjoy that Jeep!
Regardless of charging systems and batteries, there's a 110% chance the windows need some servicing anyway - hardened lube/grease, dirt, old connections. Just would be a good thing to do just because. My ambo wagon had a bad regulator - I was in college and didn't have extra funds, but had an old battery charger and an outlet right outside my apartment. I found out that car could get me back and forth between Ankeny and south Des Moines 2 days, including the after-dark 10:30pm drive back to ankeny WITH headlights on before needing a recharge. Got by for a couple of weeks and finally saved the $ for a regulator. That wagon was power-everything windows, etc. and the drive to work was 30 minutes each way. That's an hour each day with half of that time with lights, defrost, etc. on. That little 343 never missed a beat, though. |
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