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Old 13 Oct 2005, 02:38 am
tomb
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Default Re: Fan for A/C and Heater just quit - need help

Burt Squareman wrote:
> "'Curly Q. Links'" <motsco__@interbaun.com> wrote in message
> news:434D555B.495F0E83@interbaun.com...
>
>> There is no resistor pack in that model, but rather a
>> rectifier-driven
>> thing.

>
> Probably an H-bridge power MOSFET. And probably has a thermal
> protection.


What the heck would you need an H-bridge for? To reverse airflow and pump it
out of the passenger compartment?

One of the resistors on my resistor pack (88 Civic) died and I replaced it
with a MOSFET (no H-bridge, just a single one) and a little controller that
outputs 0..100% PWM, for smooth fan control. Yeah, a bit overkill, but it
was fun project


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