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Lighting Issues...


Best Answer CityEPete , 09 January 2018 - 02:20 PM

Well the new stalk is in, and the rear lights are back! Indicators are working as well - turned out that I'd knocked one of the wires off the flasher relay...
 


You havn't mentioned if your brake lights work, same earth but independant of the stalk switch. I would suspect a bad connection or corrosion on the brown circuit from solinoid to fuseboard.

 
Brake lights had been working anyway, thanks for the advice though.
 
Still no headlight flash (but main beam works), dash illumination or horn - do these share some common connection somewhere that's not shared by other connections?

Yes in the fuse box for the horn, flasher and interior light iirc,dash lights should be fed from the lighting switch via the bottom fuse in the fusebox if it's a standard four way?

Corroded rear of fuse box or hidden inside the terminal shrouds would be my guess here. Go to the full post


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#16 CityEPete

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Posted 09 January 2018 - 02:37 PM


 

Talk me through that, I'm not sure I understand?

Easier with a diagram but imagine a cluster of earths on a shared bolt that has corroded,if you run an earth even a large one to the rear lights for example then they'll work no problem but the small cross section earth will now also back feed up to that corroded bolt where it's likely the remaining circuits will have continuity between each other just not the chassis, the main lights, side lights, dash lights, blower motor,horn and radio etc can earth down the rear light earth not suitable for that much load and unfused, hot hot hot and fibre glass!

Same principal as setting the choke cable on fire if you forget to fit the engine earth strap,starter motor tries to earth through the choke cable to the dashboard locking nut.
 
Thanks, I understand what you mean.  Everything on the dodgy earth could easily earth itself through the new earth, which probably isn't thick enough.

That's it, you've got it.

#17 smurfomatic

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Posted 09 January 2018 - 07:08 PM

After checking all the fuses I could see, still didn't solve the problem. Turns out there was a fuse hidden away with an in-line fuse holder...which had a blown fuse in it! All up and running now, thanks to everyone for their suggestions.






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