My Cobra WX 75XT CB has not been working well as of late so I took some time yesterday to check the antennae and wiring. What I found was quite disturbing. The ground wire from the power supply was burned to bare wire for about a foot towards a West Marine fuse box which provides a ground and fused power. The Cobra WX 75XT comes with a 5 amp inline fuse on the hot wire which is connected to the West Marine Fuse box where there is another 5 amp fuse.
The CB was still receiving power after the meltdown with a now bare ground wire completeing the circuit. All my connections are soldered and crimped with the wires all protected with flexible conduit.
As I understand it ground wires melt due to heat caused from resistance. Could this resistance have come within the power supply or is my wiring/ground to blame?
All of my aux. lights, CB, HAM, aux power outlets all run through the same West Marine fused box. The fuse box is grounded direct to the battery with 4/0. Everything has functioned faithfully for 3 years until now.
The CB has been removed. I am going to open the power supply and check resistance. Does anyone care to have a shot at diagnosing the problem or have any advice?
The CB was still receiving power after the meltdown with a now bare ground wire completeing the circuit. All my connections are soldered and crimped with the wires all protected with flexible conduit.
As I understand it ground wires melt due to heat caused from resistance. Could this resistance have come within the power supply or is my wiring/ground to blame?
All of my aux. lights, CB, HAM, aux power outlets all run through the same West Marine fused box. The fuse box is grounded direct to the battery with 4/0. Everything has functioned faithfully for 3 years until now.
The CB has been removed. I am going to open the power supply and check resistance. Does anyone care to have a shot at diagnosing the problem or have any advice?