The second part of our intro series for the 1989 Jaguar XJS, we look to see if we can figure out why this V12 won't run. Included are lots of details regarding steps to troubleshoot the ignition system, as well as some tips on how differences in the various Lucas systems may affect your tests. This does not cover much on the Marelli system.

Stay tuned and subscribe for more - in the next installment, we'll replace some parts and see if this car will run!