HIGH BEAM HEADLIGHT RELAY KIT (1999 AND UP) #30821 - GM's four headlight system turns low beams off when highs are selected. Kit keeps all four headlights on when high beams are selected, increasing intensity and improving light spread pattern. For 1999-2002 GM full-size trucks and SUVs. NOTE: If your head-light wires are Tan and Green see Item# 60111, if Purple and Yellow use Kit #30821).
