Cosworth wiring issues I bought the car that had been off road for many years I took it all apart to sort work that needed doing then built it back up now many electrial components aren't working I never tested them before I took apart either so not sure if was working before I stripped the whole inside of car and running gear the car I running and drives the list as follows of what is working and another list of what isn't
working components are
Headlights working
The roof map lights working
ignition lights batt oil handbrake working
wipers working
horns working
fuel warning light working
Interior footwell lights working

(List below is what is not working )
intstrument speedo back lights
hazards when pushed stays lit up on switch not indicators themselves
indicators all round (though the illumination for indicators shows a very light green light when on) but doesn't work on the lenses
electric windows
elec mirrors
All of rear lights / brake lights and number plate lights not working either
could I have missed earth wires somewhere ? does any one know the locations of all the earth wires? Thanks in advance