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Home >> Mitsubishi >> 1992 >> Eclipse Base, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Testing >> Speed Sensitive Wiper System Test >> Wiper Relay Activation Circuit
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Wiper Relay Activation Circuit

  1. With ignition switch and wiper switch in OFF position, check voltage between control unit harness connector terminal No. 27 and ground. See Figure and Figure . No voltage should exist.
  2. With ignition switch in ACC position and wiper switch in OFF position, check voltage between control unit harness connector terminal No. 27 and ground. Battery voltage should exist. If voltage is not as indicated, check circuit and/or wiper relay activation circuit.
  3. To check wiper relay, remove relay from firewall (next to wiper motor). Ensure continuity exists between relay terminal No. 2 and 5, and between terminal No. 1 and 3. See Figure and Figure .
  4. Using jumper wires, connect battery positive terminal to relay terminal No. 3 and ground relay terminal No. 5. Ensure continuity exists between relay terminal No. 3 and 6. If relay continuity is not as indicated, replace wiper relay.
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