AuthorTopic: Crazy rear lights! Help needed for MOT!  (Read 904 times)

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Offline JimP

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Crazy rear lights! Help needed for MOT!
« on: February 26, 2009, 09:31:12 »
OK I took a look at my rear lights last night as the fog lights weren't working, dirvers side doesn't work as the wire's been cut and no bulb, passenger was a loose connection, so sorted but tempermental so will have another play tonight, so I have working fog lights, but this lead to another problem! the stop/tail bulb broke whilst refitting, so I replaced it but the bulb holder is not attached to the light body (think it is supposed to be!) so there was no earth and they wouldn't work.  Fabricated an earth by wrapping a wire around the buld before putting it into the holder and crimping it to the exising earth, sorted bulb works.

BUT, and yes another but.

Now the drivers side stop tail is causing problems.

It works, brake light works, side light works, but if the lheadlights are on and you press the brake, the bulb goes out rather than the brake filament working, so any suggestions???

Must admit the wiring is a bit of a bodge, blue connectors everywhere, but it was working fine beofre I did anything (except for the fog lights obviously!)

Coud this be an earth problem on the drivers side unit?? it's the same as the passaegner and the holder isn't attached again, but not sure this would be it as both brake and side light work, just not both toegther!!

Any suggestions before I strip is all down again toinght???
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Offline nellyscossy

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Re: Crazy rear lights! Help needed for MOT!
« Reply #1 on: February 26, 2009, 18:29:40 »
sounds like earth to me!!!!!
if i can still see my bonnet then the water aint deep enough!!!!

Offline Glynparry25

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Re: Crazy rear lights! Help needed for MOT!
« Reply #2 on: February 26, 2009, 19:48:01 »
Good ol' Land Rover electrics- keeps me in a job!!

I can confirm the above point^^^^^^^Bad earth is what it is.

You need to check the earth of all the side lighs AND the number plate lights (more of a problem with defenders).

Offline MuddyMike

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Re: Crazy rear lights! Help needed for MOT!
« Reply #3 on: February 26, 2009, 20:43:18 »
Its almost certainly an earth problem. The reason they work independently is because they share a common earth and one will earth back through the other, providing the other is not on.

Mike
If you can't get there in a Land Rover you can't get there

Self built Range Rover/Lightweight hybrid (yes the one with yellow wheels)

Offline Range Rover Blues

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Re: Crazy rear lights! Help needed for MOT!
« Reply #4 on: February 28, 2009, 23:35:59 »
Another area to look is at either end of the dash, the loom is joined in a multi-plug full of bullets and they don't like water.  Yours sounds like an earth fault though but I don't remeber where the earth is connected to the body.
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Offline JimP

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Re: Crazy rear lights! Help needed for MOT!
« Reply #5 on: March 01, 2009, 18:39:37 »
Yep was the earth! :roll:

All done except the passenger fog light is tempermental! another earth problem!  ](*,)
Disco 300tdi - for laning
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