Joint device for an automotive wiring harness

A joint device for an automotive wiring harness, the wiring harness including wires, terminals with mount holes being connected with ends of the respective wires, the joint device comprising:

• an insulation casing having a bottom wall, a plurality of substantially parallel partition walls extending a selected distance from the bottom wall, a rear wall extending from the bottom wall the selected distance and extending between the partition walls to define a plurality of terminal connecting chambers between the respective partition walls, a cover wall movably disposed across edges of said partition walls remote from said bottom wall for substantially covering each of said terminal connector chambers and a front wall extending between said partition walls and partly between said bottom wall and said cover wall for providing access to said terminal connecting chambers along a front portion of said insulation casing;
• a plurality of bolts mounted respectively in said terminal connecting chambers, each said bolt having a shaft;
• that projects a distance less than the selected distance into the corresponding terminal connecting chamber;
• a plurality of nuts threadedly connected respectively with the shafts of the respective bolts;
• and
• an earth plate having a first end mounted to the insulation casing and electrically connected to one said bolt in the insulation casing, the earth plate further having a second end projecting from the insulation casing and formed with a bolt hole for securely mounting the joint device to an automotive vehicle body;
• wherein the mount holes of the terminals connected with the ends of the wires of the automotive wiring harness are fittable on the shafts of the bolts, and are securable by the nuts to form a joint circuit.