you have a 4.4, so probably you have a high cluster... press and hold the right knob on the instrument cluster until the words TEST 01 comes on. release the right knob and press it once more to have TEST 02 come on the display... press left button (that normally resets the tripometer)... this should give you the light show... it will show if the bulbs are out or not, as every light on the dash lights up