Parallel tank quantities on analog gauges and Cerbo

[pwfarnell]

@Spray This just came up from someone else, they provided wiring diagram for their sender and there may be a work around for them that I posted , but no guarantee. I thought you may be interested.

GX Tank 140 installation on existing sender

Hello all. I’m trying to add a GX tank 140 to a boat with existing capacitance sender (VDO N02-240-404 - 4 to 20mA). In the current installation the sender is connected to ground on one side and to the gauge on the other. (see drawing), but the 140 need both wires form the sender to be connected (see drawing). Unfortunately, it is not possible for me to run both wires from the sender to the 140. is it possible to wire the 140 so that the measurement will be referenced to ground? Thanks, [S…