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I beleive Buick tossed around the idea of water or some kind of injection. This is why the Power Inj. is in the dash. I just recently hooked mine to my alky sym. I saw post earlier that all we had to do was put a bulb in. In my 85 car, not only was there no bulb, there was no circuit on the board once the bulb was put in. I soldered a wire to each side of the bulb holder, in other words I had to make a circuit, run one wire to ground, the other to what ever you want Good Luck