oil tank sensor or float problem You can disconnect the sender (for testing purposes only). Jumper the two terminals on the “harness” end of the connector. If the horn ceases… replace tank and sender. You can do same for water seperator at seperator and at least narrow down to what system is causing the isssue. Only for test reasons do not run this way…Last edited by Mark5795 on May 4th, 2010, 6:44 pm, edited 1 time in total.
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