Here is what happened...
I decided to remove the HVAC from my track car. pulled the dash and and the centerconsole. In the process of removing the HVAC unit. I remove the OBC and the wiring harness. That wiring harness is connected to the yellow connector in the cluster. All I have now are the blue and the white connectors.
My tach doesn't work. I checked the SI batteries and both reads 2.8V. Did throwing away the yellow hurt my tach?
Elliot
I decided to remove the HVAC from my track car. pulled the dash and and the centerconsole. In the process of removing the HVAC unit. I remove the OBC and the wiring harness. That wiring harness is connected to the yellow connector in the cluster. All I have now are the blue and the white connectors.
My tach doesn't work. I checked the SI batteries and both reads 2.8V. Did throwing away the yellow hurt my tach?
Elliot
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