The windshield wipers and the
you could have a short in the ignition itself, which as the keys swing back and forth causes a stoppage in the circuit, Mercury has had that problem for years , check all fuses, and with the wipers check the relay also, as far as the lighter,, they will short out , and most car makers suggest not using them for added purposes since they tend to go bad , they were intended to heat a small wire that draws low amperage,, enough to light a cig , some plug in units require more amps and will heat up the socket , which will then short out, causing damage