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Accessible ground/earth/negative in fusebox area

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jeanlepharmacien   
Thu Apr 07 2016, 10:11am
Joined: Jan 22 2016
Member No: #2484
Location: Altrincham
Trying to hardwire in my dash cam for windscreen and have sorted routing cable inside windscreen pillar trim and into fusebox area. I think piggy back into front lighter socket should give 'power on ignition turn on'facility but I'm stuck for the negative/ground. There is a highly inaccesible bolthead visible in the fusebox aperture but cannot see any likely metal ground points. I suppose a ground/negative wire would do but can anyone suggest one and its colour? From my x7 C5 I found that these were often green or green/yellow. Thanks for any help. John
gmerry   
Thu Apr 07 2016, 10:20am
Joined: Dec 11 2009
Member No: #21
Location: Scotland
Hi John, I needed a neat earth inside the engine fusebox so I looked up the wiring diagrams available on this site and found what I was looking for there: yes, they are usually green/yellow (just like a washing machine).

Regards
G
e3steve   
Thu Apr 07 2016, 12:51pm
Joined: Jan 21 2013
Member No: #1163
Location: Warsash, Hants & Palma de Mallorca, Spain
jeanlepharmacien wrote ...

Trying to hardwire in my dash cam for windscreen and have sorted routing cable inside windscreen pillar trim and into fusebox area. I think piggy back into front lighter socket should give 'power on ignition turn on'facility but I'm stuck for the negative/ground. There is a highly inaccesible bolthead visible in the fusebox aperture but cannot see any likely metal ground points. I suppose a ground/negative wire would do but can anyone suggest one and its colour? From my x7 C5 I found that these were often green or green/yellow. Thanks for any help. John
If you're connecting to the rear of the cigar/accessory socket then you can pick up the earth return from there.
 

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