[SOLVED] How can I check the gray wire in 24 pin power supply?

[Mr.No1]

How to check the gray wire using a multimatter device


The gray wire and? Wire ...?
help!

 

[kanewolf]

This page -- https://en.wikipedia.org/wiki/ATX#Power_supply says that the grey wire is the power good signal. I would think +5VDC when the other voltages are correct. For $8, this is a much easier method -- https://www.newegg.com/Product/Product.aspx?Item=9SIA4RE84S1129