Wakespeed two engines two regs

DIY
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1

Hi,

Have had a wakespeed working fine on one engine last year, great performance,

Question is.

Added a second and the original documentation had the regs sharing the shunt, and thisbwas configurable positive or negative side.

I rewired to have the shunt on the positve side, However the readings from the system are more like twice whats actully happening.

I assume this means I now need a shunt on the positive alternator side per reg?

2

Made some progress.

They for sure need to have two shunts one each.

Seperately when I switch on DVCC on the wakespeed then its causes the cerbo to loose comms with the bms, which causes the system to become unstable and power off occasionally.

Are there others having this problem?