ELECTRICKERY had got it infamy
put the back light unit on and plugged in the block connecter and everything worked apart from the left indicator, so off with it all and onto the bench with a battery and tested it. everything worked
back onto the bike and no left indicator, got meter on it and got continuity on all the wires so plugged it in again and no left indicator
off with it all and back on the bench -- haha no left indicator and the earth wire was suspect as it was just wrapped around a fixing on the bulb holder. out with the soldering iron and sorted. another bench test and it all worked. back on the bike NO LEFT INDICATOR!!!
back on the bench and continuity and all working so went in for well earned cuppa and sandwich. back to bench and tested again NO LEFT INDICATOR!
at this point I was thinking about throwing the towel in but had a
I bridged the newly soldered earth wire and guess what??? yes it worked. all this time messing and there was a break in the 6inch length of earth wire that didn't have any signs of damage at all. it's a good job i'm not a sparky I would not be admitting to spending 4 hours on this little problem