Ford F-150 Questions - 2010 Ford F150 Rear Lights Are Not Working ...
Ford. 2012+ models.It appears that DRLs are a configurable option on the vehicle's computer. A Ford dealer should be able to connect to the OBD port on the vehicle and disable the DRLs.. Spark Plug Connector . Another common problem with Tecumseh engines is the connector at the spark plug. Measure the resistance from the connector to the engine block..