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Princeton, Indiana | Two places you need to check......
Check the row of relays on the back wall of the cab behind the right side of the seat. Make sure the "Master" relay is good and make sure it is making good connection at the base. Sometimes the blades on the bottom of the relay miss the connector in the socket and you have problems. Pull one of the other relays that you know is good and switch it out with the "Master" relay and see if that works. All of the relays in that bank are identical.
Next, remove the door in the back of the grain tank and look for the oil pressure safety switch that screws in near the oil filter base. It will be a 2 wire sender that has a flat black rubber connector where it plugs up to the combine wiring harness. Unplug the switch and use a small wire to jump across the male and female wire ends on the combine harness plug. If your hydraulics work properly with the jumper wire installed you need to replace the oil safety switch.
Good luck. | |
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NH TR-86 stack valve
