i left all of the stock bulbs in. if you look at the back of each of the gauges, you'll see that there are clear plastic strips expanding out; 1 on the gas and temp. gauges, 2 on the speedo and rpm gauges. those plastics lead to the needles. i shrinked wrapped 1 blue l.e.d. to each one of those plastic pieces to eliminate the stock bulbs light from coming through. the blue really does not look bad or is bad to the eye. the camera made it look a lot brighter than it really is.
the connector to the clock is brown i think. if you look at where the clock is and eye its location to the back you should find it. as for changing its color, i have never tried to change it so i dont know if it will work/look good/still be able to see the numbers.
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DRIFTABILITY