1989 mercury grand marquis ls cranks but no start
order of spark, new battery, coil, starter, alternator. no spark from coil
there is a sensor in the distributor? (in the old days it would have been points). Not sure about the 89, later models were controlled by the computer. Any auto store. https://www.jcwhitney.com/details/Standard/Distributor_Sensor/SILX222T.html? TID=gglpla&origin=pla&utm_source=google&utm_medium=pla&utm_campaign=69670053 6&gclid=CjwKCAiApOvwBRBUEiwAcZGdGP71ooMN9crJvdeEwgnUSqoYshyrUJsiADBQR E1fZT-PES1jxqlsphoCAfgQAvD_BwE&gclsrc=aw.ds
You need to know if you have a pulse to energize your coil. Their are answers on google how to check this out' Its possible it could be your sensor on your distributor ?