Too much current for the wire size. A byproduct of current is heat if the gauge is marginal. Too much current, too much heat, hence a meltdown.

Was the new wire for the A/F gauge downstream from the melted wire. If so, you had added the load on the supply wire more than it was design for.


R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04