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![I have a 1989 Vulcan 1500, why does the fuel pump have 4 wires instead of just 2? Also the hose that connects both carbs I have a 1989 Vulcan 1500, why does the fuel pump have 4 wires instead of just 2? Also the hose that connects both carbs](https://ww2.justanswer.com/uploads/motoforge/2011-03-23_193230_vn1500_fuel_pump.jpg)
I have a 1989 Vulcan 1500, why does the fuel pump have 4 wires instead of just 2? Also the hose that connects both carbs
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