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Fuel Pump Relay

WARNING: This page is about a different car, the 2002 Mazda Tribute, 2002 Mazda B4000, 2002 Mazda B3000, and 2002 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove relay from under-hood fuse/relay box. Check relay continuity. Continuity should be present between relay terminals No. 1 and 2, and between relay terminals No. 3 and 4. See Fig 1 and Fig 2 . Continuity should not be present between relay terminals No. 3 and 5. If continuity is as specified, go to next step. If continuity is not as specified, replace relay.
  2. Using a jumper wire, apply battery voltage to relay terminal No. 1. Using a second jumper wire, ground relay terminal No. 2. Continuity should now be present between relay terminals No. 3 and 5. If continuity is not as specified, replace relay. If continuity is as specified, relay is okay at this time.
Fig 1: Identifying Fuel Pump Relay Terminals (B2300, B3000 & B4000)
G97J28398Courtesy of FORD MOTOR CO.
Fig 2: Identifying Fuel Pump Relay Terminals (Tribute)
G95A35832Courtesy of FORD MOTOR CO.
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