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Solar only charges 2nd leisure battery

H

hansel

Messages
16
Location
Sweden
Vehicle
T6.1 Ocean 150
IMG_0976.jpeg
I think I might have found the problem. It seems like there's a fuse in front of the first leisurebattery aswell on the T6.1. As you can see on the picture 12.8v is consistent with what I measured with the multimeter on the 2nd leisurebattery in the back. And 12.4v is equal to the measurement from battery 1. I have not seen this kind of fuse before, does anyone know what it's called and if it's hard or not to replace?
 
Y

yossarian

VIP Member
Messages
212
Location
Scotland
Vehicle
T6.1 Ocean 150
View attachment 94647
I think I might have found the problem. It seems like there's a fuse in front of the first leisurebattery aswell on the T6.1. As you can see on the picture 12.8v is consistent with what I measured with the multimeter on the 2nd leisurebattery in the back. And 12.4v is equal to the measurement from battery 1. I have not seen this kind of fuse before, does anyone know what it's called and if it's hard or not to replace?
I can't see this on the diagram? Is it possible that your split charge relay (J7) has failed short circuit and that you see engine battery voltage on the other side and that the fuse is SJ2?
 
H

hansel

Messages
16
Location
Sweden
Vehicle
T6.1 Ocean 150
I can't see this on the diagram? Is it possible that your split charge relay (J7) has failed short circuit and that you see engine battery voltage on the other side and that the fuse is SJ2?
Hmm it's strange indeed... I did some more measurements and the enginebattery voltage is at 12.32. I also started the engine, and the voltage to the right in the image (battery 1) jumped from 12.4 to 14.4v. So it seems like what I wrote on the image, still is valid?
 
Steve1

Steve1

Messages
65
Location
Kent
Vehicle
T5 SE 180 4Motion
Hmm it's strange indeed... I did some more measurements and the enginebattery voltage is at 12.32. I also started the engine, and the voltage to the right in the image (battery 1) jumped from 12.4 to 14.4v. So it seems like what I wrote on the image, still is valid?
If you can measure a different voltage each side of a fuse, it has definitely blown though. I good fuse will have an almost identical reading each side.
 
Steve1

Steve1

Messages
65
Location
Kent
Vehicle
T5 SE 180 4Motion
Hmm it's strange indeed... I did some more measurements and the enginebattery voltage is at 12.32. I also started the engine, and the voltage to the right in the image (battery 1) jumped from 12.4 to 14.4v. So it seems like what I wrote on the image, still is valid?
So I think you are on the right track and replacing the fuse should solve it if it doesn't blow again for any reason.
 
Y

yossarian

VIP Member
Messages
212
Location
Scotland
Vehicle
T6.1 Ocean 150
View attachment 94647
I think I might have found the problem. It seems like there's a fuse in front of the first leisurebattery aswell on the T6.1. As you can see on the picture 12.8v is consistent with what I measured with the multimeter on the 2nd leisurebattery in the back. And 12.4v is equal to the measurement from battery 1. I have not seen this kind of fuse before, does anyone know what it's called and if it's hard or not to replace?
The fuse looks like it's riveted onto the assembly. Replacement of the fuse alone doesn't look easy. Where is this located?
 
Last edited:
Steve1

Steve1

Messages
65
Location
Kent
Vehicle
T5 SE 180 4Motion
Hmm it's strange indeed... I did some more measurements and the enginebattery voltage is at 12.32. I also started the engine, and the voltage to the right in the image (battery 1) jumped from 12.4 to 14.4v. So it seems like what I wrote on the image, still is valid?
Just to check, your picture is of the battery under the left seat isn't it ?
 
H

hansel

Messages
16
Location
Sweden
Vehicle
T6.1 Ocean 150
The fuse looks like it's riveted onto the assembly. Replacement of the fuse alone doesn't look easy. Where is this located?
no it was not quite simple, because you also need to lift the chair.
Yes, it was riveted, but I managed to pry off the broken fuse from the rivet itself. The new fuse had a slightly smaller hole, so in the left part (where it is screwed on with a nut) I had to drill a slightly larger hole. But in the right part it was good that the hole in the fuse was smaller, because then I could push it into the existing rivet and it is now firmly attached
 
Steve1

Steve1

Messages
65
Location
Kent
Vehicle
T5 SE 180 4Motion
no it was not quite simple, because you also need to lift the chair.
Yes, it was riveted, but I managed to pry off the broken fuse from the rivet itself. The new fuse had a slightly smaller hole, so in the left part (where it is screwed on with a nut) I had to drill a slightly larger hole. But in the right part it was good that the hole in the fuse was smaller, because then I could push it into the existing rivet and it is now firmly attached
Has it solved your problem?
 
Roger Donoghue

Roger Donoghue

VIP Trade Partner
Messages
395
Vehicle
T5 Beach
Where is that fuse box exactly? I'm wondering if the 200amp fuse below is starter battery. I had a 6.1 customer recently who's engine charging was not working. The relay was energising but no connection was being made to the starter battery and I was hunting for a fuse that could be the culprit.
 
KGCali

KGCali

Retired and still young at heart!
Lifetime VIP Member
Messages
599
Location
Essex
Vehicle
T5 SE 180 4Motion
Where is that fuse box exactly? I'm wondering if the 200amp fuse below is starter battery. I had a 6.1 customer recently who's engine charging was not working. The relay was energising but no connection was being made to the starter battery and I was hunting for a fuse that could be the culprit.
Think that fuse is under the seat next to the leisure battery on the T6.1
 
H

hansel

Messages
16
Location
Sweden
Vehicle
T6.1 Ocean 150
Think that fuse is under the seat next to the leisure battery on the T6.1
Where is that fuse box exactly? I'm wondering if the 200amp fuse below is starter battery. I had a 6.1 customer recently who's engine charging was not working. The relay was energising but no connection was being made to the starter battery and I was hunting for a fuse that could be the culprit.
I found a link in another thread to this page: https://k3yak.com/vw-california-leisure-battery-replacement/ great tip about using a piece of wood to wedge the seat (so you don't have to remove the entire seat, but just tilt it). When you do this you get access to the two fuses that are located just to the right of the +ve terminal
 
Roger Donoghue

Roger Donoghue

VIP Trade Partner
Messages
395
Vehicle
T5 Beach
In all the many installs I've done, I simply remove all 4 seat nuts, wind/tilt the seat-back forwards, then from behind lift it up enough to clear the bolts and rest the runners on the base with the seat resting on the dash board. Never pulled the wire out, and never lost the seat :)
 
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