Step 5Installing the leds part 1
Find which wire is + and which is - ,(Negative is the one connected to the resistor, if you followed my diagram) if you solder the wrong wire on the first set to the wrong place on the second set, your first set will not light up.
After finding out which wire is which solder the negative wire to the resistor on your second set, and the Positive onto the open led on you second set. (see diagram)
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