Can I use a burnt wire?
Can I use a burnt wire? If the wire is oxidised on the surface but still a continuous piece of metal, or strands of metal still in contact with each other, it will conduct as if nothing has happened to it. Damaged stranded cable will still conduct with increased resistance and may get (very) hot. What to do when two wire accessory is not working? When a particular two wire accessory is not operating, use a grounded test light to check for power at the wiring harness (either wire). If there is no power, the electrical system must be tested...