Lights flickering low beam only

2007 Ranger DRLs are flickering as well as low beams, driving lights are good as are the high beams . Could this be the drl module doing this and where is it located. Can it be tested ?

That sounds like a loose connection somewhere upstream of the DRL. Try tracing everything from the DRL to the fuse box. The fuse may even not be sitting in tightly. A Haynes manual may help here.

Sorry I didn't update, found bad connection at the plug, repaired and all is good.