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Accessory Relay Test

  1. Remove accessory relay. Relay is located under left side of instrument panel. Using an ohmmeter, check relay continuity. Continuity should exist between relay terminals No. 87A and 30. See Fig 1 . No continuity should exist between relay terminals No. 87 and 3 0. Replace relay as necessary. If continuity is as specified, go to next step.
  2. Check resistance between relay terminals No. 85 and 86. If resistance is not 65-85 ohms, replace relay. If resistance is 65-85 ohms, connect 12-volt power source to relay terminal No. 86, and ground terminal No. 85. Continuity should exist between terminals No. 30 and 87.
  3. No continuity should exist between terminals No. 87A and 30. If continuity is not as specified, replace relay. If continuity is as specified, relay is okay.
Fig 1: Identifying Defogger Relay Terminals
G95F35282Courtesy of CHRYSLER CORP.
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