So today my youngest son calls us with a request for  advice.  Not unusual especially when it comes to his car.  He's always calling us with a car question.  I think he's called at least twice in the last year with jumper cables in hand "which color is negative and which is positive?"  He's inherited his lack of mechanical skills honestly from me.  I'm probably the least mechanical person on the planet.  I'm still trying to figure out how...