Ran into a small fire. Nothing too serious.
For those who have grown up with cars where the headlamps are contolled by a relay, in the days before that was a thing you had both battery voltage and the full draw of the headlights coming right up to the dash and getting routed by a switch. Doing it this way did work but put a lot more stress on what was otherwise a combination switch. It's a common issue for the switch or the connector or in some cases even the harness to burn up from age related wear.
In my case it appears my switch has been replaced previously, however the housing later cracked and the main headlight output terminal came loose. The resulting resistance burned the wire and spade clean through the connector.
Note the two marks where the spade was just sitting loosely on top of the terminal.
So better now when it's getting colder and there's less daylight to pull the cluster and replace the headlight control and dimmer switches. Thankfully my local parts shop supplies both.
