FIG. 1 is a schematic diagram of the preferred embodiment of the present invention showing components in respective positions located about a tractor-trailer; FIG. 2 is a layout of the conductors of a conventional wiring harness as arranged on the connector of a conventional wiring harness; ...
FIG. 6 is a perspective schematic view of an interior portion of the cover illustrated in FIG. 1; FIG. 7 is a sectional view taken on line 7--7 of FIG. 6; FIG. 8 is a fragmentary assembly view taken arrow 8 of FIG. 6;