hello I am currently installing the optional speed warning system on my Camaro I would like to know if anybody out there has installed them I knoe you have the speedometer with the speed warning needle and the adjustable cable that mounts under the dash and the wring and the speed buzzer what I am looking for is where the buzzer (relay) gets mounted to and the tab on it is the ground does a wire go to it or is the tab mounted on a bolt for grounding if anybody out there has a diagram on mounting and installing it would be greatly appreciated