Patent ID: 7431245

Claim:
A signal testing assembly mounted to a vehicle surface, said assembly comprising: a signal testing unit having a plurality of guide pin receivers positioned along at least two opposing exterior surfaces of said testing unit; a connector plate comprising a front planar face, a back planar face, at least one fastening portion for securely mounting said back planar face adjacent a surface of said vehicle, a plurality of guide pins extending from said front planar face, and at least one electrical connector for engaging a mating electrical connector on said signal testing unit; wherein said guide pin receivers slidably engage said guide pins, said back planar face of said connector plate is mounted adjacent said vehicle surface, and said signal testing unit is mounted adjacent said front planar face of said connector plate such that said connector plate is disposed between said signal testing unit and said vehicle surface; wherein each of said guide pins includes a top portion and a bottom portion; and at least two of said guide pins include an aperture in said top portion of each guide pin, said apertures being aligned to receive a T-shaped bar.