02-24-2019, 10:10 AM
Oh, dear, I thought I escaped all that when I left school. 
You'd think you would have to connect the positive terminal first as it's like installing a new battery in the vehicle with the flat battery. But, unless you disconnect the earth from the flat battery, connecting the positive will effectively complete the circuit, won't it? So, negative first?

You'd think you would have to connect the positive terminal first as it's like installing a new battery in the vehicle with the flat battery. But, unless you disconnect the earth from the flat battery, connecting the positive will effectively complete the circuit, won't it? So, negative first?

