Ah, it makes sense now... the driver's side battery runs the winch. The alternator is connected to the passenger side battery, and has the bank of Littel fuses. Still, what to do on the isolator relay switch?
Recently got a 2016 Tahoe with a winch and dual battery setup. It was an auctioned Sheriff's assist vehicle. All they left from the PPV equipment was the winch. Replacing batteries and while checking fuses noticed the red wire for the relay switch had been cut. Should this be connected to...
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