Test right at the head light switch. One wire will have 12 volts all the time. That one has to be good if the head lights work. A second wire will have 12 volts only in the head light position. Ignore those two. A different one must have 12 volts in the tail light position. That wire also feeds the rheostat for the dash lights. Since the tail lights and the dash lights are out, we know it's something in common with both of them, and that would be that wire. Check for overheated, (blackened) terminals and a part of the connector melted.
Saturday, March 9th, 2013 AT 11:06 PM