Hello Kevin
First thanks for serial no, now I have picture about your BDI and I must to tell you that I was wrong inform you.Your BDI is older unit and have relay inside and you can bypass him on contacts,so you are think good.Of course If him dont show you batt state you will lose hydraulic and I am sending you picture to see solution for your problem.Tell me did you finish problem and if you need more help.Good Luck