Re: jump starting a solenoid
Jumping the solenoid coil terminal to the battery cable applies 12v to the solenoid and will engage the starter, You can accomplish this with a screwdriver, but I'd wrap the blade with electrical tape down an inch or so from the end to keep from shorting anything out.
"For those that will fight for it...FREEDOM ...has a flavor the protected shall never know."
Semper Fi! L/Cpl Edwin L. "Tim" Craft, B Co 3rd AT's, Khe Sanh Combat Base, February, 1968