No power on pin 85 on fuel pump relay

I inserted the wire into the plug and plugged it back on the ECU then connected the test light to the wire. This truck runs I just wanted to do this test to see if it would tell me I was getting power there so I could go to the truck that is not getting power to pin 85 and see if I was getting it from the ECU.

Yes on the truck that is not running. This is on a running truck. I wanted to see if it would light my test light before I went to do the same test on the truck that is not running but if it does not light up on a running truck. I am not sure how I will know if I am getting power at the ECU on the non running truck.

I have the wire inserted in to the plug that has the green/white wire that goes to relay pin 85.

According to the schematic the green/wire runs from this plug to to pin 85 on the relay. So I do not understand how it could be ground if it supplies power to pin 85. Would you not have to have power coming from the ECU to power pin 85? If so when I know this truck runs would I not have power on the this wire. The link below is the schematic I used and my test wire is in pin 1PCM black plug. http://troubleshootmyvehicle.com/gm/4.3L-5.0L-5.7L/pcm-connector-pin-outs-1996-1997-page-4