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I have 3 wires wire 1 is my light , wire 2 is 12v to power the light and wire 3 is another 12v to power the light but in pulses . So I m thinking i would wire # 2 on # 1 then something that will block power to come back through to wire # 2 , then wire # 3 . So when i activate wire # 2 lite comes on , then when i activate wire # 3 it overrides wire # 2 and does the pulse . There are 2 lights and when i wired it up and activated wire # 3 it made both lights pulse and that is my problem i do nt want the current to go back through wire # 2 to the other light .

What is the narrator trying to troubleshoot ?
Available options:
A). They are working on a big report .
B). None of the above choices .
C). They are working on installing a light in their office .
D). They are working on wiring .
D).