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Pulse Width Modulation (PWM) can easily be achieved with two wires. All PWM does is hold one wire constant and rapidly pulse the other between 1k and 10k times a second. By changing the relation ship of how long the pulse is on versus how long the pulse is off the duty cycle is changed. Both the wires from the pressure control solenoid go to the PCM. The ...


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To tell you specific details, like when it should be changed, I'll need a specific model. "94-96 B-Body" covers a pretty good range (Impala, Impala SS, Caprice). I will warn you, though. Most cars (and trucks these days) don't have a plug built into the transmission pan to let the fluid drain, so you'll more than likely have to drop the pan anyway. Looking ...


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I can't say for certain if it's bad. However, I would not let the transmission run dry while the pump is moving. If it's anything like the oil pump on a car engine, it will use it for lubrication of the valve bodies and hydraulic parts. It may get air in bad places as well. However, they do make automatic transmission transfusion machines that do almost ...



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