Hi @MarkAW,
here is a picture taken from the bottom fridge vent showing the fridge12 V terminal block and the voltmeter I fitted.
You can get the voltmeter on eBay from China for $1.55 including postage. I mounted it in a small plastic case
https://www.ebay.com.au/itm/DC-0-30...hash=item3af9ed6d97:m:mE9kFIUxTbOrYhZ7rx68pJA
cheers
Mike
here is a picture taken from the bottom fridge vent showing the fridge12 V terminal block and the voltmeter I fitted.
You can get the voltmeter on eBay from China for $1.55 including postage. I mounted it in a small plastic case
https://www.ebay.com.au/itm/DC-0-30...hash=item3af9ed6d97:m:mE9kFIUxTbOrYhZ7rx68pJA
cheers
Mike