Thanks a lot for the reply, Bob. My regulator is the two coil type and I
replaced it with another and the amperage was still reading near 30. I
replaced the ammeter with another I had and that still read high. There are
about 13 1/2 volts at the battery at 1500 RPM. Just over 12 volts at the
battery with the engine off.
Ned
-----Original Message-----
From: Bob Spidell <bspidell@comcast.net>
To: npaul72464 <npaul72464@aol.com>
Cc: healeys <healeys@autox.team.net>
Sent: Mon, May 23, 2011 2:34 pm
Subject: Re: [Healeys] BN7 over charging
Ned,
How do you know the VR is working properly? AFAIK, an A-H regulator controls
both voltage and current. That's why there's three coil/points sets: one
controls charging voltage, one limits output current and the third controls
the battery cutoff; i.e. the light on the tach. You shouldn't see more than
about 13.8V on the system when the dynamo/engine is running at 1K RPM or
more.
Sure sounds like the current-limiting function is not working in your VR. Be
careful--if you're overcharging the battery you'll get hydrogen outgassing
(30A is not healthy for your wiring, either).
Bob
--------------------------------
Bob Spidell - San Jose, CA
Need help as to what's going on with the electrical system in my BN7. The
ammeter (which I installed some years ago) is showing a charging of 30+ amps.
Turning on the headlights helps a bit...got me home.
The battery is fully charged and starts the car with no problem. The voltage
regulator is working properly. What else could be going on?
Thanks in advance.
Ned Paulsen
Webster, NY
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