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Old 12-31-2019, 07:42 AM   #4
Frank Miller
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Join Date: May 2010
Location: Auburn, MA
Posts: 2,106
Default Re: 8ba oil pressure sending unit question

Put it on it's side and check with an ohmmeter it is getting grounded. Add pressure with an air hose to see if it will work. Lacking an ohmmeter you can connect it to your gauge and see if it works properly using your air hose. you will need a jumper to ground it.
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