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Home >> Suzuki >> 1993 >> Sidekick JS, 2D Utility, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Relays & Solenoids >> Relays >> EFI Main Relay (Swift)

EFI Main Relay (Swift)

  1. Remove relay from main fuse box in engine compartment, located between battery and left fenderwell. See Figure . Turn ignition on. Check for battery voltage on White/Red wire terminal and Black/White wire terminal of relay connector. Battery voltage should be present.
  2. If battery voltage is not present, check White/Red wire and Black/White wire circuits between fuse and relay. Repair as necessary. Turn ignition off. Disconnect negative battery cable. Remove relay from main fuse box. Check for continuity between terminals "A" and "B". See Figure .
  3. Continuity should not be present. If continuity exists, replace relay. Measure resistance between terminals "C" and "D". Resistance should be 56-84 ohms. If resistance is not correct, replace relay. Apply battery voltage and ground to terminals "C" and "D". Continuity should now be present across terminals "A" and "B". If continuity is not present, replace relay.
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