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Old 04-15-2016, 12:29 PM
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Join Date: Dec 2014
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Check the ground wire from the block to the sensor switch for continuity.

Check the ground wire from the sensor switch to the ECU.

Pay careful attention to the connectors along the way. Should be OK if new, except for the engine side connector which is not.

If the ECU does not sense a ground from the remote tank then the auto transfer mode is inhibited.

If you have a Yam multi-function gauge what is it telling you?