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Old 09-27-2004, 12:32 PM
Posts: n/a

I probably have my nomenclature confused here. I'm talking about the sensor for the EGR Control unit that measures engine rotation speed. This sensor, I thought was on the crank case driver side, and measures rpms to the EGR Control Unit which then reports this information to the Tach.

At anyrate, my tach does not work, and it is because it is not recieving the signal from the EGR Control Unit, which in turn is not geting the signal from the RPM Sensor, which I tested according to the Tech Manaual section 14-100 and 14-50. The manual also points out the localtion on the sensor, but the picture are fairly poor quality.

The 85 and california cars are different than earlier models. This is not the Tach amp issue, the EGR Controler Unit ampifies the signal. But my case it's not getting one to ampliy, so I'm trying to find the sensor, and repair of replace it.

Any help you can give would be helpful, and appreciated...

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