Hi. Did you check the fuse connection?
If you have the original fuse block with the ceramic fuse's they sometime's get a light coating of corrosion on the end's causing a bad connection. I found this on my car a while back. cleaned the end's of the fuse
and it's been fine since. JOHN.
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.