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RM7655L fridge not working on 12v


Hymer fan

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Hymer fan - 2021-10-16 5:46 PM

Hi Brian

Yes I think I need a Hymer technician

I live nr Manchester so anybody know of anyone local

Do you have an address or telephone number

Thanks

Nowhere close. Nearest would be Lowdham at Huddersfield, next up Travelworld (the Erwin Hymer centre) at Stafford. Depending on where you actually live near Manchester, about 20 miles and 45 miles respectively. I'll leave others to say might would be the best choice, as my only experience of Lowdhams (at their other branch and about 15 years ago), was not that encouraging, and I have no experience whatever of Travelworld.

 

Have a look here for details: https://tinyurl.com/f8vn3m68

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Hymer fan - 2021-10-24 2:41 PM

 

Hi Alan

Just seen your message

Been away

Do you mean take the Block 4 connector out & connect a live wire to pin 1

On the AD01 not the connector

Do I need to run the engine

 

Thanks Alan

Hi, Hymer Fan,

 

Likewise, just seen your message, and I am going away for a few days tomorrow

 

Yes, push a fused 12V into Block4 pin1 of the AD01 to simulate the D+.

It should not be necessary to run the engine, if the connection is only made for a few minutes.

If all else is OK, then the fridge should pull power from the starter battery.

 

Alan

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John25P - 2021-10-26 10:58 AM

 

I found after a lot of effort that the 12v is only available to the fridge when the engine is switched on.

 

I cannot find a nearby leisure battery connection. Otherwise I would have used the solar system to run the fridge.

 

J

3 way fridges are usually wired so the 12v only works when engine is running, they are not very efficient on 12v so you need a lot of solar for them.

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Hi Alan

Just tried the fused wire across to the B4 pin 1 & got the daytime running lights on

I just pushed the fuse wire into the connectors so may not have got a good enough

Connection will have to make a wire with good connections

& try again

So if the DRLs come on it looks like it is the D+signal wire

Unless you know better

 

Thanks for your help & knowledge

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  • 2 weeks later...

Hi

Just a update to where I am up to with the D+signal wire

Been to the storage today took the driver seat out

So I could see what I was doing

Took a wire from the 12v live to the AD01 adapter block 4 pin 1 as Alan suggested

Everything worked as it should

So took a wire from the D+signal wire going into the computer

Behind the interior fuse box

And run it to block 4 pin 1 & everything worked fine

So I think somewhere along the wire it is broken

But trying to find it has been a nightmare

I will solder the wire tomorrow and see how it goes

 

Thanks to everyone who replied

Could not have done it without your help

 

Thanks again

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