Its an inbuilt self destruct method !
ok, as a new poster, try making an introduction as to who/what/where you are.
the gaylander of your wife has its own section on LZ,
so suggest you have a look in there.
but use common sence wiv yer problem, as the op sez, diconect the lighter fer starters, look fer other things running on the lighter curcuit also.
(wiring diagramme/car handbook/online in LZ?)
fuses of the wrong value can blow easily, but fuses are there to protect/prevent electrical fires!!!!!!
you wiring being shorted out without a correct fuse rating will let glow like an electric fire until it glows nicely....