Airlift suspension issues

[smolpp1]

I’m having an issues with my airlift controller wiring that taps into the fuse box. When the wire is tapped in, the car will not start. I can unplug the tap and the car turns over perfectly. I don’t think it’s a battery issue, but I could be wrong.

Has anyone experienced anything like this? Is there something simple I’m overlooking? It’s ran fine for a little over two years with no issues

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