Advice needed URGENTLY

[wild.irish]

i need to measure compression on a car with automatic transmission. don't know shit about them. How do i crank engine with a starter? is putting it in parking gear enough?

[Zach]

i need to measure compression on a car with automatic transmission. don't know shit about them. How do i crank engine with a starter? is putting it in parking gear enough?
Just put it in park, remove the spark plug wires and crank away.

[wild.irish]

ah, cool. thanks alot! :)