What input controls the toyota camry speedometer? Is it an AC sine wave or is it a dc...

  • Thread starter Thread starter mrsatti19
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mrsatti19

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...pulse? I have toyota camry 2005 speedometer in my hands. It has two serial ports ta the back. I dont have any serial connector which is why i am directly connecting to the pins. But i dont know which pin is the ground or what voltage to give? Do u think it requires power?
 
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