Not Starting on 1995 Lincoln Town Car

I have Lincoln Town Car After I change heater core. Car get
started but next day Car not getting start I have reopen the
dash Bord and check every thing look fine when ever I turn key
passenger side start beeping the beep come in25 time
5 time in one time
please car standing for week let me know what will be


Asked by for the 1995 Lincoln Town Car
1 answer
need to re-check all your work and use this site, to get the wiring info

or take your car to a shop that is good at electrical diagnosis