My Wife Was Driving My Jetta 2001 Tdi And The Battery Light Started Blinking And Then All The Dash Lights Started Blinking On And Then The Car Died On Her,,i Went And Trailered It Home And The Battery Was Dead, So I Installed A New Battery And Altenator, Along With Some New Glow Plugs That I Had Ordered For It...it Has Been Hard To Start When Its Cold...well After Installing All The New Stuff My Battery Light Is Still Blinking On And Off, The Car Has A New Altenator, I Know Its Good Cause I Had The Auto Store Check It Before I Brought It Home To Install, Put In A New 1000 Amp Battery, New Glow Plugs. Yesterday I Was Letting The Car Idle And I Noticed The Head Lights Come On Brighter And Then I Checked The Battery Light And It Had Stopped Blinking, I Drove It Up The Road And Back, Started And Stopped The Engine At Least Ten Times And The Battery Light Stayed Off, That Was Yesterday, Then This Morning I Decided To See What It Would Do, I Went To Crank It Up And If Cranks A Long Time And Then Finally Fires Up...then The Blinking Battery Light Is Back Going Again..lights Dim....anyone Got Any Ideas,,,could A 109 Relay Cause This Problem, Or Any Help Would Be Greatly Appreciated...