I wish I could help. That is not a bad looking car. Yeah, usually the flashers get power from a different feed. I would hunt through the fuses and relays with a test light and make sure anything that resembles a fuel pump item is good.
I found where you can get a workshop manual for them but it's $200.00!
http://e-bookmanual.com/productsproton.html
And it looks like there is a bunch of information here, but you need to be a member.
www.protonownerclub.co.uk
Monday, March 27th, 2017 AT 4:36 PM