So today I was doing a little bit of wrecking and revving in the sierra and as soon as I stopped I got some smoke from under the bonnet and the engine stopped. Half a fire extinguisher later and a cool down I tried starting but no luck, checked a few things and its seems as though there is no power going to the coil pack, changed coil pack jus to be sure, even tried putting a live direct to the coil pack.
The wire that melted was a black wire going from the positive battery terminal from what I seen and then along the bulkhead with the wiring loom and inside the car at the big grommet.
Whatever this wire is for or whatever the problem is it is causing no spark and also making the temperature hand rise off the clock (as if it is getting a full live??)
Would anyone have any idea what might have happened here? Any help is appreciated, thanks