Might sound stupid, but I have seen the ground wire to the solenoid bolted onto a threaded part of the solenoid that isn't even an electrical junction. You will not even get a "click" if this happens, even if the dash lights and such come on...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car