I've come close twice in the Jeep.
First time, alternator rectifier dead shorted on me. Fortunately, I was less than 1/2 a mile off-campus, and was able to limp it back before the alternator got too hot (the rest of the alt lived through the incident, and it works great after a new rectifier and new brushes).
The 2nd time was a couple of weeks ago, when my e-fan override switch wiring decided to fail (couldn't figure out an exact cause, only a list of parts that failed). Driving down the road, center console suddenly starts pouring smoke. I pulled over, pulled out a knife, cut the accessible wires for it, kept them separated, and continued home.
First time, alternator rectifier dead shorted on me. Fortunately, I was less than 1/2 a mile off-campus, and was able to limp it back before the alternator got too hot (the rest of the alt lived through the incident, and it works great after a new rectifier and new brushes).
The 2nd time was a couple of weeks ago, when my e-fan override switch wiring decided to fail (couldn't figure out an exact cause, only a list of parts that failed). Driving down the road, center console suddenly starts pouring smoke. I pulled over, pulled out a knife, cut the accessible wires for it, kept them separated, and continued home.