PWM cooling fan(s) control using ECM

#11

02-20-2013, 12:15 PM

parsonsj parsonsj is offline

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Quote:

Originally Posted by Dave

Most output functions of ECM are that way: injectors, coils, etc. Ground signal is switched with power supplied directly to device.

One notable exception: fuel pump. That's a 12V signal.

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Last edited by parsonsj; 02-22-2013 at 10:54 AM.

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