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Shunt fix

Boyo

Boyo

VIP Member
Messages
21
Hi.
Thanks to the forum I finally got around to the shunt fix, this has been a problem since we bought our van. I didn't fancy removing the fridge et al, so I followed the suggestion of another member and went through the panel in the leisure battery compartment with a 41/2" holesaw and used a soil pipe socket plug to close off. Heater now works off batteries for first time - Result!
earth shunt.jpgearth shunt 1.jpg

earth shunt.jpg
 
Carl Giles

Carl Giles

Messages
5
Location
Austria
Vehicle
T5 SE 140 4Motion
You don't necessarily need a new shunt, you need a better ground cable to connect the shunt to the van's bodywork. You can get a complete set (cable, connectors, nuts, instruction) from the german Caliboard shop, they call it the Caliground. Follow the link.

IMG_0925-258331df32d8a5.jpg


At the bottom of that shop page there is an instruction for VW dealers on how to order it.

Basically, you need to connect the ground of the shunt (point 2, see the lousy original cable) with the bolt hole in the body (3) with this cable, and your shunt problems are gone!

View attachment 29565

We used that set ourselves, it did what it is supposed to do for us!
Hi there, hope you're well and Happy new year. Im a brit writing from Austria, I came across your post today while in the middle of checking out the shunt cable problem, and for the first time read that its not that you need to change the brown cable from rear battery to point under fridge, but an additional one over to the unused thread close to arch.

I almost managed this today with the fridge still in believe it or not, I cut a small window in wall of battery compartment and could just about get a screw in that hole although much blood lost from hands...

My question is to you, can the additional cable jump from 1 in your picture over to 3 ?
or must it be from 2 over to 3 ?

Hope not to bother you too much with my request.

Kind regards.
Carl.
 
WelshGas

WelshGas

Retired after 42 yrs and enjoying Life.
Top Poster
Lifetime VIP Member
Messages
20,232
Location
United Kingdom
Vehicle
T5 SE 180 4Motion
Hi there, hope you're well and Happy new year. Im a brit writing from Austria, I came across your post today while in the middle of checking out the shunt cable problem, and for the first time read that its not that you need to change the brown cable from rear battery to point under fridge, but an additional one over to the unused thread close to arch.

I almost managed this today with the fridge still in believe it or not, I cut a small window in wall of battery compartment and could just about get a screw in that hole although much blood lost from hands...

My question is to you, can the additional cable jump from 1 in your picture over to 3 ?
or must it be from 2 over to 3 ?

Hope not to bother you too much with my request.

Kind regards.
Carl.
It must go from 2 to 3 otherwise the information from the Earth Shunt , used by the Control Panel, will be inaccurate.
 
Carl Giles

Carl Giles

Messages
5
Location
Austria
Vehicle
T5 SE 140 4Motion
It must go from 2 to 3 otherwise the information from the Earth Shunt , used by the Control Panel, will be inaccurate.
Perfect Thanks a lot, I was heading in the wrong direction with the other bolt but couldn't Finnish last night and started some more research, so you have saved me a lot of time in the future.
Kind regards. Carl.
 
CaliJo

CaliJo

VIP Member
Messages
5
Location
Kent
Vehicle
T5 SE 174
Just tried attempting this fix without removing the fridge in my 2007 Cali, I cut a hole behind the battery as others have and can now access the shunt, but for the life of me I can’t find the unused hole on the wheel arch, I assume it’s behind the fridge and I’ll have to remove/lift it, which I was really hoping to avoid! Has anyone actually done this with the fridge in place?
 
yanathem

yanathem

VIP Member
Messages
167
Location
Maryport
Vehicle
T5 SE 130
Just tried attempting this fix without removing the fridge in my 2007 Cali, I cut a hole behind the battery as others have and can now access the shunt, but for the life of me I can’t find the unused hole on the wheel arch, I assume it’s behind the fridge and I’ll have to remove/lift it, which I was really hoping to avoid! Has anyone actually done this with the fridge in place?
Removing the fridge is easy, just make sure you have your roof up, gives you more room.
 

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