I've seen many references that when connecting charger or jump-leads to a D4 (or most modern cars) you should connect to chassis or engine earth rather than battery negative.
But when I look under the bonnet, the only bare metal I can see is the FBH ... possibly not the best place to connect too if it's hot.
Looking just behind FBH, there are two earth points (only 1 used by look of it) but it would be awkward to clip jump-leads to either/both of them.
I'm thinking I'll get a thickish piece of copper and attach it on these two earth points ( look like 6mm bolts ) and have enough of it sticking upwards that jump-leads can clip on.
Is there anything wrong with this idea ? or is there a better place I've not spotted ?.
Dean
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2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
22nd Oct 2020 9:32 am
ianm27
Member Since: 02 Jun 2016
Location: Hertfordshire
Posts: 2154
Is this to stop the Flat Earth ?? Uncle Ray's spare wheel protector
Limo Tint
Blackvue front & rear dashcam
Cruise control switch pack
Bodsy's remote for FBH
22nd Oct 2020 11:47 am
J@mes
Member Since: 10 Nov 2008
Location: Bomber County
Posts: 4547
The manual appears to suggest connecting the negative to the suspension strut mount bolts.
I've been outside between showers and had another look.
solution is going to be something - possibly a stainless bolt flattened on one side - bolted to the FBH frame. Everything else I tried to fit to those bolts didn't help with the accessibility issue.
I'll post (pun ?) piccies when I get round to this … which will have to be soon as the youngster's Punto has needed jump starting a few times in the last couple of months.
22nd Oct 2020 3:32 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10683
just use the battery terminals !
22nd Oct 2020 4:59 pm
L319
Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2083
I haven't looked but if you take the cover off the engine I would think there a bare bolt or similar underneath
22nd Oct 2020 6:07 pm
Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1668
Surely any bolt head screwed into the body will do. I use one right near the battery case. It's got paint on it, but I still get a good earth allowing me to charge.Gary
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Discovery 4 HSE 2016MY
22nd Oct 2020 7:00 pm
Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1668
Any bolt going into the body work should do. I use one right near the battery case.Gary
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... All LED interiors lights, DRLs, Spare Wheel protector.
