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check for power on both sides of the plug. when fan runs full speed, it draws so much current that the wire can burn through and even the plug can overheat and melt.
you may have had a wire ready to break and your action finished it off.
I jumpered the big 12v wire and by-passed the plug altogether.
Check for power, and ground. There's also the fan controller, which can fail. It's mounted close by on the shroud seen below the connector which is circled.
This is what a melted connector can look like, but since you had yours unplugged, I guess you would have seen if it looked something like this?
A problem is that the fan wiring seems to be under provisioned to allow it to run even at 90% for long periods. Then there's a chance the connector melts, which can be aggravated if the contacts are dirty, or corroded. Cleaning and reassembly with dielectric paste is recommended before this happens. If you bypass the connector with your own wiring, the next to take the hit is the controller. They have been know to overheat and fail.
04-12-2022, 12:29 PM
