"DoN. Nichols" wrote in message
...
On 2017-05-03, wrote:

BMC owners always have fun tales to tell. I'll bet Don has some
from
his MGA experience.

...When I
rebuilt it, using a short coil of 16 Ga wire as a shunt (it wasn't
calibrated, anyway -- just a rough reading of load with and without
headlights and heater fan.) I added a Plexiglass shield to prevent
a
repeat of the short.
...

Constantan wire for stable current shunts can be salvaged from type J,
T and E thermocouples.