Thread: Test a Relay
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1990C4S 1990C4S is offline
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Join Date: Sep 2009
Location: North of You
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Pull the relay and put 12 vdc across 85 and 86.

Measure (ohms) across and 87. The resistance should be 'zero' with the relay activated, and 'open' with the relay unactivated.

If you hear it click under power the odds are it is fine.
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Old 10-20-2012, 02:09 PM
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