check ignition modulke and work your way from there then have alt tested and batt tested and run a volt meter on the batt when off should be 12.5 if not bad bat running should be at 14.2 to 14.66 over this is ok under 14.2 bad alt get test if good alt bad ignition module some winstar are equiped with this or the diod thats on top of your coil pack is bad |