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Bad earth - left rear light cluster

Posted: Fri Jun 12, 2015 4:15 pm
by Grrrmachine
I've got the Old Ford syndrome; when the indicator flashes the brake light (and other lights) fade to compensate - this is a pain if the lights are on with your foot on the brake, as it makes the indicators speed up.

I've looked at the loom and can't see any major issue, and from looking at the wiring diagram the earths for both rear clusters are joined before grounding under the back seat, but it can't be the ground point if the other cluster works fine (can it?).

Anyone got any ideas? I've bodged another earth wire on for now, but it's not ideal.

Re: Bad earth - left rear light cluster

Posted: Fri Jun 12, 2015 5:16 pm
by daimlerman
Poor connection at the light cluster multi plug or the steel tracking within the cluster.

Re: Bad earth - left rear light cluster

Posted: Fri Jun 12, 2015 10:27 pm
by Grrrmachine
These rear clusters are definitely the weak point on these cars - the design is atrocious.

Re: Bad earth - left rear light cluster

Posted: Fri Jun 12, 2015 10:40 pm
by brutus
hi, if its the left side rear bulb holder unit thats gone wrong ??? ive got a good 1one avail for £ 19. posted if needed, :)

Re: Bad earth - left rear light cluster

Posted: Sat Jun 13, 2015 8:19 am
by Grrrmachine
Thanks for the offer, but I can get one over here for less than 5 quid...

http://allegro.pl/e30-bmw-lampa-tylna-l ... 89030.html