#172364  by David Wallace
 Thu Apr 22, 2021 9:33 pm
PS. Sorry when I say supplied I mean 12v positive to the VIN terminal of the shunt.
 #172365  by sjb
 Thu Apr 22, 2021 10:12 pm
I wondered what 2w and 3w meant. I have as you have described the 2 wire set up with same battery. Have switched it to 2w and the light is on. Still no power or signal to the display until though.
 #172368  by sjb
 Fri Apr 23, 2021 8:07 am
can i just check - wiring the shunt. I connected the negatives under the bolts/washers on top. I saw one you tube video where he took the top circuit board off and connected the negative wires below. I don't see why this would make a difference because the bolts must go through to the bottom circuit board to complete the circuit. Or maybe they don't and the bottom board does not have a circuit and thus no power? I'm assuming the bottom board is for comms and the top is to do with the shunt!
 #172370  by mattn
 Fri Apr 23, 2021 8:40 am
Love this thread... "Simple Questions", title needs an edit "Simple Questions... Long answers" :D
 #172375  by sjb
 Fri Apr 23, 2021 11:25 am

it's much better to under sell and then be surprised. I didn't expect my simple questions to grow so much.

all working now. added an earth to the controller as well.

just can't get a signal or connection from the monitor to the display unit.
 #172376  by Neddy
 Fri Apr 23, 2021 12:21 pm
Have you tried it on Wireless Communication?
Unplug the USB cable.
Supply 12 volts to the Monitor via the supplied plug.
If wireless connection is successful, a little aerial and signal strength icon appears in the top left corner of the monitor.
 #172379  by sjb
 Fri Apr 23, 2021 1:43 pm
i can get the display unit to switch on - it just doesn't seem to find a signal.
 #172383  by Paul
 Fri Apr 23, 2021 4:06 pm
Hi, you need to set up the äddress" number on display. mine is A81 if that helps . Paul
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