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If the GPs are powered off the big bus bar behind the aft battery, you did it way wrong. You want to use the little bus bar just above the GP relay as shown in the OP's pictures.I have exact same setup as in post nr.1 But im still getting 24v to my glow plugs.What did i do wrong?
If your GPs are getting power from the little bus bar already, then something is wrong upstream. Follow the wire from the little bus bar back towards the battery. Is it connected to either the front battery or the front post of the aft battery (correct) or is it connected to the big bus bar (incorrect)?
If the little bus bar has 24v then the GPs and the GP relay are running at 24v; you don't want that.
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