Maybe try something like this,
http://www.ebay.com/itm/LED-Ca...Tester-/141286816622
Or connect up a volt meter and see what is really happening.
Maybe it is just a sticky amp meter. I have been through 2 amp meters, original burnt up the 2nd one never read correct. I got my original unit rebuilt by Jon Hass. His modifications make the gauge more accurate and safer.
http://www.pantera-electronics...lectriccomponent.htm
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.