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Sink pump wiring

Posted: Sat May 15, 2021 5:40 pm
by steve9617
Hi all

I have a combination sink and hob installed in a side conversion. The conversion was done before I bought the vehicle but was all new.

I can't seem to get any power to the sink pump to pump water.

It seems to be wired into a black cable that runs behind the side card. See pic 1.

This then reappears further towards the rear of the van and then goes down behind the right rear trim. See pic 2 and pic 3.

Does anyone have any idea what these may be wired into? I've tried the aftermarket fog light but had no success.

I realise all conversions are different but any ideas are gratefully received.

Thanks Steve

Re: Sink pump wiring

Posted: Sat May 15, 2021 5:55 pm
by g8dhe
Do you have a Leisure Battery ?
Do you have a 12 volt control panel, and is there a switch for selecting either battery with centre Off, its normal to pickup the supply from the control panel possibly with its own switch & fuse on the panel.

Re: Sink pump wiring

Posted: Sat May 15, 2021 8:53 pm
by steve9617
Hi Geoff

Yes I do have a leisure battery fitted.

I dont have a control Panel that I can see. If I did i suspect it would be a simple one. Where might one be tucked away?

Thanks

Re: Sink pump wiring

Posted: Sat May 15, 2021 9:05 pm
by Bob
Have you removed the connectors from the switch on the bottom of the tap, checked if there's power, then checked the switch itself?

If that’s ok I'd check the pump from a direct supply. [-o<

Re: Sink pump wiring

Posted: Sat May 15, 2021 9:56 pm
by g8dhe
Control panels look like below;
front_panels.png
I notice that the Brown wire isn't attached not sure where the lead goes but I would expect that to be connected as well!

Re: Sink pump wiring

Posted: Sat May 15, 2021 10:02 pm
by Bob
I had to look really close, but I think the lower brown is connected to the blue, from the switch, which passes behind the water pipe.

I think. :)

Re: Sink pump wiring

Posted: Sat May 15, 2021 10:04 pm
by g8dhe
Yes think your right Bob!

Re: Sink pump wiring

Posted: Sun May 16, 2021 8:28 am
by steve9617
Thanks Geoff and Bob

I'll have a look around for a control panel or switch and test the wiring to see if it's live.

Thanks

Re: Sink pump wiring

Posted: Sun May 16, 2021 9:57 am
by Bob
If the pump doesn't have push on connectors you can likely get a probe into the crimp connectors. 8)