Quote:
Originally Posted by barry12345
The ford solenoid as an add on is cheap. For some reason many German cars in my experience seem to have a lack of a good strong trigger current. As they age in general this situation usually does not improve.
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After I measured 43 amps going to just the pull-in coil, I reached into my box-O-relays and grabbed one of the beefier ones. It is a bit of a mystery as to out how the engineers at MB decided on such a tenuous start/trigger signal supply to this obviously hungry load, maybe they reasoned that the duration of the demand was so short that it didn't matter... or perhaps they were intending the overall impedance to act as a sort of current limiting "ballast" of sorts.