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Relay Testing

  1. Detach coupler from relay. Using an ohmmeter, and referring to Fig 1, check continuity according to the following:
  2. With no power applied, continuity should exist between No. 1 and No. 2. No continuity should exist between No. 3 and No. 4.
  3. Now, connect battery power: positive to No. 6 and negative to No. 5. Proceed with check as follows:
  4. Continuity should exist between No. 3 and No. 4. No continuity should exist between No. 1 and No. 2.
  5. If relay does not respond as described, replace it.
    Fig 1: Showing Relay Numbered Terminals
    G09324572Courtesy of MAZDA MOTORS CORP.
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