Fuel pump relay?

Tiny
MICHAEL CRAWFORD2
  • MEMBER
  • 1989 MAZDA B2200
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
I have the vehicle listed above that was running fine then stopped getting fuel. The fuel pump works if I hook it straight to the battery. I tried finding the relay behind the driver side kick panel but I'm not finding it. There is a pressure switch and a big black box but neither has the right part number. Any help would be greatly appreciated
Sunday, January 21st, 2024 AT 5:59 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,068 POSTS
Hi,

Some of these came with fuel injection, and others had carburetors. However, I believe the relay is the same for both.

I went with the fuel injection model. The reason you are having trouble finding it is because they call it a circuit open relay. It is behind the left kick panel. I attached a couple of pics below to help you locate it.

Let me know if this helps or if you have other questions.

Take care,

joe

See pics below.
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Monday, January 22nd, 2024 AT 12:37 AM
Tiny
MICHAEL CRAWFORD2
  • MEMBER
  • 2 POSTS
The diagram you posted shows 3 things behind the kick panel. My truck only has 2 things, one being the RFW control unit, and the other is a pressure sensor.
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Monday, January 22nd, 2024 AT 5:22 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,068 POSTS
Hi Mike, does your vehicle have a carburetor or is it fuel injected? Also, check to see if there is a production date either under the hood or on the door frame on the driver's side. It may be a late or early production vehicle and the company used a different setup.

Also, let me know if you can locate the circuit open relay anywhere else. Again, it could be year related.

Let me know

Joe
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Monday, January 22nd, 2024 AT 8:24 PM

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