Another ammeter bypass question

For sure crackedback has some great looking harnesses. I’m in Canada so it’s already hard enough to get anything from the states without it also being way more expensive. That said I was looking for a quick fix with what I have in the garage which is why the mad solution looked to be my best option, seems to have worked for a ton of members here.
I just don’t want to blow the link well I’m out cruising if I made it too small