Tail light socket question

[toast007]

I think that I have a bad tail light socket, but I am not sure.  The socket in question is the outermost drivers side tail light.  No light.  I know the bulb is good because it works in the other sockets.  On one contact in the socket I have voltage.  The other contact has continuity to chassis ground.  There is no continuity from the metal socket housing to  chassis ground. (Socket unplugged from the tail light housing.)  The other sockets do have continuity from the metal socket housing to chassis ground.  So... bad socket?  I feel like an idiot with the wiring on this thing having chassis grounds to things like this.  The equipment I work on at work does not have grounds like this!  Wire in, wire out!

[Chryco Psycho]

you can replace the socket Or attach a secondary ground wire to make it work

[toast007]

Thanks for the reply, I have one on order and it should be in on Saturday.  I am still puzzled about it though.  There certainly is not much to a socket technically.  I have juice and I have the second lead for the ground, both are good.  Where I am puzzled is what connects inside it?  Even with a hard wire ground to the metal casing to chassis ground I have no continuity, the others do.  So obviously something is wrong inside.  Well, I guess I will find out Saturday huh?

[Chryco Psycho]

probably some corrosion inside the socket , generally the lock tabs are the highest load area where the ground is made so it is difficult to see inside the socket to the top of the lock slots in the socket

[toast007]

Thanks for the info, I really appreciate it.  Replacing the socket fixed it.  Gonna take the old one apart to check it out.