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West Central Iowa | The key switch ground terminal was used on gauge cluster (as opposed to Investigator II) equipped tractors to complete the ground circuit for self test of the trans oil and air filter dash warning lights. What this means is, IF you have a gauge cluster equipped tractor with the 2 round warning lights directly below the gauges, they should light up everytime the key switch is turned to the crank position. I am not sure, but I don't think this ground terminal is used with the Investigator system. | |
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JD 4450 Ignition Swith, Wiring, Dash Access Help
