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Door Lock Relay: Ranger

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1997 Mercury Mountaineer, 1997 Ford Ranger, 1997 Ford RV Cutaway, 1997 Ford Explorer, and 1997 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
  1. Locate relay box No. 1 behind instrument panel, right of steering column. Remove door lock relay to be tested. Measure resistance between relay terminals No. 3 and 4. See WIRING DIAGRAMS . If resistance is 5 ohms or less, go to next step. If resistance is more than 5 ohms, replace relay.
  2. Apply battery voltage to relay terminal No. 2 and ground terminal No. 5. Measure resistance between terminals No. 1 and 3. If resistance is 5 ohms or less, relay is functioning properly. If resistance is more than 5 ohms, replace relay.
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