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  1. Fan not turning on

    Engine / Exhaust / Cooling
    So I was working on my bike and the frail copper tab on the side of my radiator which from my research looks to be a water sensor part #92066-1183 broke off, so now a cable from the wiring coming from the trunk of cables that the fan is with is not plugged into anything. I started my bike and...
  2. Help w/Fan Troubleshooting?

    Engine / Exhaust / Cooling
    My fan has quit working, it runs when hot wired, the relay clicks when I ground the temp switch wire but the fan doesn't run. Bad junction box?
  3. How long does the radiator fan stay on?

    Engine / Exhaust / Cooling
    I just purchased an '86 Vulcan 750... love it!... but has a couple of issues. The fan is kicking on, and making a noise that sounds like an electrical 'buzzing', and keeps going for quite a while. I actually disconnected it to stop it so it wouldn't drain the battery. The temperature gauge does...