Using a Arduino I have been able to send the correct PWM signal to the DR44G alternator. This makes it possible to charge at 14.5v rather than the debug mode of 13.7v. This was done in a 1989 S10 4.3 Auto, I had installed electric fans but realized the original alternator wasn't strong enough to keep up. I had a AD244 from my 5.3 Tahoe motor (that I plan to LS swap into the S-10), but sadly it was not good. Found this DR44G from a 06 Silverado for sale on Craigslist for $20 but didn't realize it was computer controlled.
So my code is on pastebin at pastebin.com/ci...
You will need to load a library as well that will allow you to specify the duty cycle to the exact frequency. Library is here forum.arduino.c...
Pretty simple, I'm sorry it took me forever a bit after I uploaded this video I reinstalled windows and forgot to backup my Arduino sketches.
Негізгі бет Using Arduino to control AC Delco/GM DR44G Alternator via PWM
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