Had to replace the blow motor resistor and connectors. ProudLao and flint, it's a common issue for the gen 2 Tacos based on my research and there's even a TSB for it so you should check yours too before it's starts to burn..

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Yes, each of these yellow wires cost 9 bucks

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You can see the burnt marks on these connectors:



New updated version vs old:

And oh, if you want to save money, you can try aftermarket ones such as Dorman...