CBE DS520AN and D+ signal

[arthur49]

My CBE power unit appears to have lost the D+ signal so I can't get my Votronic B2B to run.

I have managed to pick up an ignition on signal which I'm using with a 30 second delay timer so I can charge when driving, but I'd really like to use D+.

Does anyone know where on the CBE unit - photo attached - I can pick up D+ other than point 17?

 

[Steve and Denise]

From memory ours was on 26a

 

[autorouter]

Does the fridge 12V heater supply still work properly, ie switches on and off when the engine starts and stops? If so you could use that output. The B2B D+ input will only be a very small amps draw, so that will be negligible in comparison to the fridge amps which will be about 14A.

 

[arthur49]

Does the fridge 12V heater supply still work properly, ie switches on and off when the engine starts and stops? If so you could use that output. The B2B D+ input will only be a very small amps draw, so that will be negligible in comparison to the fridge amps which will be about 14A.

Yes. Thats the strange thing. Step retracts, fridge works on 12v just can't find 12v on D+ output on pin 17 - it seems to have failed. I'm using ignition on signal with 30 sec delay timer but not ideal

 

[Steve and Denise]

This is my DS470 but a ca (Carthag) so could be slightly different

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[arthur49]

Resolved! Thank you all. I did check the fuse at 15 (on my schematic above) and it was fine. However just replaced it and all OK now. Must have been poor connection.