Question about 1985 Suzuki GSX-R 750 F

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Wiring system on GSXR400 gk71b

The wires from the AC generator to the rectifier block seem to be warm is this normal running or has it been wired wrong (crossed the three yellow wires)

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Hi and welcome to FixYa,

The yellow wires could be interchange. It does not matter which yellow goes to which connector terminal as it is a 3 phase alternator. The voltage regulator has a built-in diode pack that would convert all 3 incoming ACV to a single charging DCV.

It would be normal for them to heat up especially when charging condition. However, on older machines, this is more caused by corroded, tarnished or loose contacts. It would be to your advantage to clean and tighten these connections/connectors.

Good luck and thank you for using FixYa.

Posted on May 28, 2009


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