You should just s*ck it up, and buy the yale/hyster parts.
There should allready be a pigtail inside the counterweight.
(if you reach in from the back, it's mounted up top, about 8" from the rad)
You'll just need the proper alarm, and the mounting bracket. Then it just plugs in [click]
If you mess with the wiring, you could VOID THE WARRANTY.
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