which is pos and neg

[Wreckless_Process]

of the 4 pins on the molex connector which is pos and neg.

 

[Stuey83]

I don't remember offhand, but yellow and red are positive, black is ground.

I think yellow is 12V, and red is 5V.

 

[Anarchist4000]

Yellow=12V
Red=5V
Black=Ground(neg)

 

[jonnyGURU]

http://pinouts.ru/