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Message: [QUOTE="obs'r, post: 233761, member: 1064"] About two years ago my blower motor on my OBS burnt up. When I say burnt it filled the entire cab with smoke. I replaced the motor right away and only had power on high. I replaced the resistor and got all four speeds back, but the fan doesn't move much air on high. I have put up with it taking forever to warm up in the winter or cool down in the summer and I am finally tired of it. What should I check next. I have compared my fan speed with another OBS with the factory fan and i would say on high, mine spins a little over half the speed of the factory one. The replacement fan is a napa one and the resistor is an auto zone one. [/QUOTE]

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