[Steeveedee]

Check it out here-

http://67-72chevytrucks.com/vboard/s...d.php?t=558016

Download the wiring diagrams and scroll down to diagram T-5283 (P 27). You will see that the black wire on the left side of the VR on the diagram ties into a bigger ground wire, as a chassis ground. You can ground the condenser directly to the body of the regulator now, like the rest of the world does.