I'm wringing out wiring on the S550 and have a couple questions. I have attached a couple pics showing the circuit I'm working with. I'm blowing the 20 amp starting circuit fuse at the prefuse box. This fuse supplies power to kJ relay and then on to Kh relay shown. If I pull kH relay and try it the fuse does not blow. If I disconnect the wire at 50 on M1 (starter solenoid) and try to start it the voltage comes up to around 4 volts then the fuse blows. My question is the dashed box around X26 as shown. I am assuming that this is a couple different variations on the wiring for this circuit. What does U152/484/819 in one box and U779/880/882 mean?

Any suggestions for an easy way to wring out the wire from 7 at kH to 50 at M1?

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Jim