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1978-79 RX7

  1. Disconnect wiring from relay. With no power applied, continuity should exist between terminals No. 1 and 2, No. 4 and No. 2, and terminals No. 4 and 1. No continuity should exist between terminals No. 3 and No. 2, or terminals No. 3 and 4.
  2. Connect battery positive lead to terminal No. 6 and negative lead to terminal No. 5. Continuity should exist between terminals No. 3 and 2, and between terminals No. 4 and 3. No continuity should exist between terminals No. 1 and 2, No. 4 and 2, or terminals No. 1 and 4. If relay does not test as described, replace it.
Fig 1: Relay Terminal Identification
G09310041Courtesy of MAZDA MOTORS CORP.
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