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#1
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Charge voltage
Hello.
I have some problems with the chargesystem on 1990 230CE. I just replaced the alternator with regulator. I don't know if the problem was the same before the old alternator took of the heavens above, but I can only get it to charge at 13,5V, and if I turn on everything, heater, light etc. it drops to just above 12V Does anyone know if this is normal? |
#2
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I would check your battery connections and make sure they are clean and tight. If they are I would check your ground connection to the body to make sure that is clean and tight. With those accessories on the system should not load down that much...Was the alternator new or used....
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83 300CDTurbo 307,000 2005 Honda Element 266,000 56 Nash Ambassador Country Club Special 34,000(under restoration presently) http://www.peachparts.com/shopforum/car-audio-multimedia/125099-123-install-extreme-dynamat.html |
#3
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Quote:
What is your charging voltage at 2.000 rpm? |
#4
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It doesn't make much of a differance what rpm the engine is running at, meybe 0,2 v but thats it. I did check the connections to the battery abd to ground, but they seems ok. The alternator is brand new. I'm realy stuck here. I wonder if it could be the light control unit that is faulty?
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#5
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What shape is the main alternator lead in? Loose/dirty/bad connection there can lead to a voltage drop and potentially help kill an alternator.
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Fourings 84 Audi Coupe GT with Turbo engine, EFI (buh-bye CIS), Jamex seats, Koni's/H&R's, e-code lights. 210k and counting. 1992 Anthracite 400E, 161k, "Grey Ghost". 1986 VW Quantum Syncro, 192k, gone to the crusher in the sky. 1989 300TE 172k. (Was mine, now also Mom's car) 72 280SE 4.5 (Mom's car) |
#6
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They look ok, but I will check them again. Thank you :-)
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#7
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Check out this thread:
http://www.peachparts.com/shopforum/tech-help/108691-dead-battery-new-battery-new-alternator-still-dont-like-voltage-post754140.html#post754140 He had "bad" cables. Likely where the terminals are crimped on the ends of the cable. I have seen corrosion at these points before. And also More battery/alternator troubles post #5. There is a good explanation of what voltages should look like. Mike
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine) 1988 F150 144,000 miles (leaks all the colors of the rainbow) Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra Last edited by mpolli; 01-03-2006 at 08:49 PM. |
#8
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Hey Mike, thank you
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