This original BDI have only one wire because it is can bus BDI and dont have two wires and switch inside.When I said can bus you know that via can electronic communicate with BDI and given info about Batt state shut down hydraulic via this wire.Please send me serial no of forklift so I can look again but I was look Efg with zapi units and BDI with small display and dashes from top to bottom for batt charging level.Is that BDI on your Efg?
I was also try one time to bypass this BDI and so that is it not possible,only change.
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