Tony,
If you haven't already, check this schematic from SOBill, courtesy of panteraplace.
I assume you have checked all fuses with a meter?
Is your indicator light - the blue one - coming on?
Have you checked and cleaned your ground wires up at the lights?
Larry
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.