Thruster battery ground

Lake Effect

Member
Joined
Jul 8, 2011
Messages
22
Fluid Motion Model
C-24 C
Non-Fluid Motion Model
C Dory 25
Vessel Name
Lake Effect
I have a 2021 RT25LE. My thruster battery has one ground cable that I believe to be going to the thruster motor. The wiring schematic diagram shows the thruster battery to be grounded to the engine battery. Is this correct? I hesitate to add the ground cable without advice. What has/had me looking at the thruster battery was reduced performance and reduced voltage and no observable charging from ac or solar.
 
The thruster and engine batteries have their ground wires are tied together.
 
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