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Electrical Issue - Possible Earthing Issue


Best Answer Steve220 , 05 February 2019 - 03:28 PM

Yeh, that's earthing. Biggest culprett is the multi earth point behind the expansion tank in the engine bay. Go to the full post


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#1 leewaa

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Posted 05 February 2019 - 01:55 PM

Hey guys having electrical issues with my MPI.

If I turn on the interior fan, then the lights in two of the rocker switches turn on, and also the car radio, however the fan itself does not turn on.

If I press the horn, then the same two rocker switches light up, but the horn doesn't make any noise as it should.

I had recently had the whole wiring loom (main + engine) and the engine itself out of the car... Theres some cables up front which are just looped off (I don't have the additional front spots).

Any help/ideas would be much appreciated

Here a small clip: https://www.dropbox.....35.27.mp4?dl=0

Not sure how to embed it here


Edited by leewaa, 05 February 2019 - 01:59 PM.


#2 Steve220

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Posted 05 February 2019 - 03:28 PM   Best Answer

Yeh, that's earthing. Biggest culprett is the multi earth point behind the expansion tank in the engine bay.

#3 leewaa

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Posted 06 February 2019 - 12:21 PM

Cheers, will check it out when im in the Garage next (Friday :D)



#4 leewaa

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Posted 08 February 2019 - 08:31 PM

Yeh, that's earthing. Biggest culprett is the multi earth point behind the expansion tank in the engine bay.


Yeehaa, that did the trick. The connecter was all covered in gunk/oxidisation. I unclipped the metal part out of the connector cover, cleaned it all up, and now its all working! Horn works, fan works, no unexpected lights going on!
Cheers Steve! :highfive:

Edited by leewaa, 08 February 2019 - 08:32 PM.


#5 Steve220

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Posted 08 February 2019 - 08:47 PM

Yeh, that's earthing. Biggest culprett is the multi earth point behind the expansion tank in the engine bay.

Yeehaa, that did the trick. The connecter was all covered in gunk/oxidisation. I unclipped the metal part out of the connector cover, cleaned it all up, and now its all working! Horn works, fan works, no unexpected lights going on!
Cheers Steve! :highfive:

Nice one!




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