120 volt wall outlets. Their could me a small voltage between neutral and ground,up to around 1.5 volts. What you are measuring is the voltage drop on the system at that point in the system. You see the neutral and the ground are at the same level some where up stream (service panel). The neutral is under the same load as the phase conductor, and the neutral will drop voltage same as the phase. This is in fact the way I measure voltage drop, (neutral to ground.) However don't get fooled by high imped. meter, They have a way of ghosting a voltage. Or floating high, You get a reading but the voltage is really not their.
See if you are getting power and Ground to lighter socket. If so replace element and/or socket. If no power further investigate circuit to find where power is fed to same.
Are you getting power to sockets? Make sure you have a good ground circuit
With a volt meter check to see if you have power to that socket. Check at the wire not the socket. If you find you have power, either the socket is corroded or broken. Also check the ground connection at that socket.
Power is coming from TWO of those pins. The third is the ground, or earth. Wires are color coded. In the US white and black are the power wires, green is ground, but this varies greatly in different places, and also with older wiring. DO NOT fool with this stuff if you do not know what you are about. Deadly.
Replace bulb Check socket for corrosion Check socket for Power and ground
If there is power but it does not light it is a ground problem. Some circuits such as gm interior lights the power is always on, and the ground is switched.
Use a test light (any auto parts store) and check to see if you have power at the light socket. (Make sure the test light is grounded good by checking a known good light). If you do then try to clean the oxidation off the contacts on the bulb and the socket, with the power OFF. Also make sure you have a good ground for the tail light housing. I had that problem too. There should be a ground wire from the fender to the housing and from the housing to the light socket somewhere in there. If your fuse is good then check the power there too as the contacts for the fuse in the panel will corrode also. You should buy the Bently manual.
When you switch off a 3-pin power socket, the socket and connected devices are no longer powered, but the socket still remains earthed. The grounding connection provided by the earth pin is separate from the power supply and remains connected even when the socket is switched off.
Replace bulb Check socket for power & ground Check socket for corrosion
To wire a wall socket properly, first turn off the power to the circuit. Remove the old socket and connect the wires to the new socket following the color-coded terminals (typically black for hot, white for neutral, and green or bare for ground). Secure the wires with screws and attach the socket to the wall. Finally, turn the power back on and test the socket to ensure it is working correctly.
If a bulb breaks in the socket, first turn off the power to the socket. Use gloves and pliers to carefully remove any remaining pieces of the bulb. Then, replace the bulb with a new one and make sure the socket is clean before turning the power back on.
hi my name is josh i had the same problem check the terminals in the light socket they could be corroded that was my problem.... With a volt meter check to see if you have power to that socket. Check at the wire not the socket. If you find you have power, either the socket is corroded or broken. Also check the ground connection at that socket.