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Old 07-17-2021, 02:28 PM   #18
Stl-986
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Join Date: May 2017
Posts: 1,182
run a wire to the battery, connect it to a relay and then trigger the relay by ignition. Put a 5amp fuse in line from the battery. Output from the relay goes to your sensor and then connect sensor & relay to ground.

Without knowing what exactly it is I wont recommend anything else cause the risk of causing other issues can be too much.
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