Tom,
The voltage regulator sounds like a good place to start.Thanks for the info!
Kirk
From: Tom Parker [mailto:tkparker1941@gmail.com]
Sent: Wednesday, April 27, 2011 6:14 PM
To: Kirk Smith
Cc: tigers@autox.team.net
Subject: Re: [Tigers] (no subject)
Kirk,
Start here (If you haven't already!):
http://www.tigersunited.com/resources/wsm/tt-images/MKIBIGwiring.jpg
The light connects 12v from the ignition switch through the lamp to the "D"
terminal on the voltage regulator.
>From the diagram it looks like the D connector on the voltage regulator is
connected to the output of the generator; the only other connection shown is
the Field connection in the generator. If that's so, the voltage regulator
may have welded a relay point; the battery charge is through the voltage
regulator.
The last time I saw this problem was in a 1949 Ford around 1958... (there
was no light; the VR had failed.)
I'm not sure why connecting the lamp would cause this problem...
Tom
' 67 Mark 2 (which, fortunately, doesn't have a generator...)
On Wed, Apr 27, 2011 at 8:20 PM, Kirk Smith <twotigers@verizon.net> wrote:
The other day, I decided to finally get around to fixing my non-working
ignition warning light. It's been in that condition for the 23 years I've
owned this Tiger. During that time, I've had flawless performance from my
generator. Even had a battery last 18 years in this car with only
occasional driving!
The bulb tested fine.tracing the wiring, I found it was cut clean about 3
inches behind the light. I found the other ends hanging in the wiring. The
wires were color code correct with the wiring diagram. This is probably
when a bell should have gone off, but I went ahead and connected the wires
and turned on the ignition. Turning the key on produced a red light.
Started the car, still had a red light. Revved the motor, still had a red
light (although somewhat dimmer). Darn thing never went out! After about a
minute or so, I shut off the car and disconnected the wires.
Upon re-starting the car, the ammeter showed a slight discharge. Revving
the motor never budged the ammeter needle. Previous to connecting the
ignition light, the ammeter would swing from slight discharge at idle to a
positive charge condition while running at speeds above idle (as it should).
I was hoping the ammeter had just taken a hit from the ignition light hook
up , but shortly thereafter I developed a miss in the engine and cranking
speed at start up was starting to slow. Apparently, the generator didn't
take too kindly to the ignition light experiment. Now I know why the wires
had been cut and left hanging there!
I'm hoping those on the list with more electrical expertise than myself (and
that would be most of you) might be able to shed some light on what
happened, and if you think the generator is a goner.TIA!
Kirk
B382000503
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