you can use a dmm set for dc and back probe the inj plug, and run the car and you should see it switch from 12v to ground. or you can buy/borrow or rig up a inj test light adapter.
__________________
if you havent been in a small plane its worst, cause your eyes and brain say we are moving and your body says oh no we are not. eyes and brain go asshole we are moving, cant you see? body says fuck you we are not moving at all. so they fight and fight and eventualy your body says, you know what fuck you brain, see if you can stop this!! then you throw up.