As per @kermit_rr

Do you think there is an alternator issue. Or, is this just part of frazzled brain mode trying to track down your other electrical gremlins? ;)

Suggest tracking down headlamp and fog light issues first. Start with fog light, then headlight.
 
As per @kermit_rr

Do you think there is an alternator issue. Or, is this just part of frazzled brain mode trying to track down your other electrical gremlins? ;)

Suggest tracking down headlamp and fog light issues first. Start with fog light, then headlight.

Problem seems to be a f*^ked fog relay.

I had this problem intermittent a few weeks ago and i knew the battery was old so a fitted a new one and the problem went but it hasn't as its intermittent.
just bad luck it was all working when i put the new battery on.

Today the more i mess with the fog relay the worse the problem got worse.

now i have no horn, left indicator head lights or fog lights.

all the earths are good
 
Problem seems to be a f*^ked fog relay.

I had this problem intermittent a few weeks ago and i knew the battery was old so a fitted a new one and the problem went but it hasn't as its intermittent.
just bad luck it was all working when i put the new battery on.

Today the more i mess with the fog relay the worse the problem got worse.

now i have no horn, left indicator head lights or fog lights.

all the earths are good

Okay, ignore the light/horn/indicator issue for the moment.

1. prove fog light ccts & relay working correctly by replacing with a known working relay - if fog light problem still there start with 12v o/p from fog light cct fuse and work forward through cct til fault found checking for both clean 12v and no high resistance shorts = job done

2. now address light/horn/indicator - as above, start from fuse and work forward - a trick here is to islolate each switch i/p, this will flag up which cct is causing issue to/from the light/horn/indicator switch. Chances are its the light/horn/indicator switch as this is the common failure point within these ccts. It would be worth buying a G grade Lucas replacement as they're dirt cheap, are very quick to change over and it's always good to have a spare.
 

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