Stuart Keen wrote:
> I am mystified by the ammeter in my 51 MGTD. I will be most appreciative
> if someone on the net can assist. This is an old problem that has not
> been tackled until now.
>
> When I purchased the TD a year ago, I was told that the ammeter did not
> function, but since the ignition light did function properly
> (extinguished as soon as the engine/generator started), the ammeter was
> superfluous. However, I would like to get EVERYTHING on my TD functional
> as intended.
>
> When I turn on the ignition, there is an initial small swing to the
> negative side (the ammeter is a center scale, plus/minus 30 amp
> movement). That indicates to me that the meter is operational. However,
> I NEVER see it moving after that. I can turn on the headlights with or
> without the engine running, and the meter gives no indication of current
>drain.
>
> While the meter was still in the car, I put a 9 vdc battery across the
> terminals (12 vdc car battery was disconnected). The needle moved
> slightly in one direction. I switched leads, and the needle moved in the
> opposite direction. Good indication.
>
> To prove further that the meter is probably okay, I removed it from the
> TD and put a 12 vdc 10 amp battery charge across it. A good healthy
> switch in the correct direction. I switched charger leads and the needle
> swung in the opposite direction. Doesn't this indicate the meter is okay?
>
> I have checked the wiring from both ammeter terminals. It appears
> correct - one side to the battery and panel test point, the other side
> to the second terminal on the regulator and to the clock.
>
> Why does the ammeter not function in the TD? Battery is charging as
> indicated by the ignition light and the fact that I have driven a year
> with no battery problems.
>
> I am thinking that perhaps something is amiss with the regulator. How do
> you check this out and is this a probable cause?
>
> Stu Keen
> Venice, FL
> simbafish@home.com
Stu
I ampmeter is wired wrong. Follow the Thu, Jun 8, 2000 wiring diagram and you
will
see that it is wired wrong. The load side maybe wired to the battery side.
Jerry Felper
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