Voltage_at_plug	1	2	3
Car_cranks	1	2
Spark_plugs	1	2	3
Spark_quality	1	2	3
Distributer	1	2
Spark_timing	1	2	3
Car_starts	1	2
Headlights	1	2	3
Alternator	1	2
Charging_system	1	2
Battery_voltage	1	2	3
Battery_age	1	2	3
Main_fuse	1	2
Starter_system	1	2
Starter_motor	1	2