Where is the fuel pump fuse on a 1991 Chevy Suburban?

Introduction
The fuel pump fuse on a 1991 Chevy Suburban is not located in a dedicated fuse slot. Instead, the fuel pump is powered by two relay switches, primary and secondary, both of which are located at the main fuse box in the engine bay.
Location of Fuel Pump Fuse
Since there is no specific fuse for the fuel pump, you won’t find a dedicated fuse slot for it. The closest fuse (15A) that controls either of the fuel pump relays also powers up the main control module, which is located beside and below the main fuse box in the engine bay.
Conclusion
In summary, the fuel pump on a 1991 Chevy Suburban is not controlled by a specific fuse. Instead, it is powered by two relay switches located at the main fuse box in the engine bay. The closest fuse (15A) that controls these relays also powers up the main control module.

Where is the fuse on a 91 s10 fuel pump?

91 chevy s10: the fuses and relay switch for the fuel pump.. pickup… Under the steering wheel there is a fuse box that should contain them.

Where is the fuse on a 1990 Chevy 1500 fuel pump?

The fuse is in the fuse block ,under the drivers side dash.It will be marked “fuel pump” or “ECM- B”. If your problem is a no start, it is most likely a failed fuel pump.

How do I know if my fuel pump relay is not working?

Engine performance issues
If the relay fails slowly, then you might notice engine performance symptoms over time. For instance, as the fuel pump relay begins to falter, its ability to power the fuel pump dampens, which can lead to engine stalling when the engine cannot receive enough fuel for combustion.

How do I know if my fuel pump fuse is blown?

The most common sign of a bad fuel pump relay is an engine that cranks but doesn’t start. A fuel pump relay will typically fail in the open position, preventing voltage from reaching the fuel pump. As a result, the engine will be starved of fuel and refuse to run.

What are the signs of a bad fuel pump fuse?

Faulty Fuel Pump Relay Symptoms

• Multiple attempts to start, perhaps occurring most often in the morning when the vehicle is cold.
• Unexplained battery drainage due to a fuel pump relay that is stuck in the closed/on position.
• The vehicle won’t start and appears to be out of gas.

What would cause me not to get power to my fuel pump?

The most common electrical issues are rusted connectors, loose connectors, or melted wiring and connectors. To help identify issues of poor electrical connections, a high quality digital volt/ohm/meter should be used to test for voltage drops and continuity.

How do I know if my fuel pump relay is broken?

Since the relay isn’t closing like it should the pump can’t build up standard fuel system. Pressure. No pressure means cranking the starter has to overcome that lack of initial fuel as.

Where is fuel pump fuse located?

See if you can hear the fuel pump. Run. If you cannot hear the fuel pump run then you need to locate the fuse and the relay. And refer to the owners manual to determine their location.

Where is the fuel pump relay on a 1990 Chevy Suburban 1500?

Should be under hood in fuse panel,if not there then it will be on the driver side fire wall.

What happens when fuel pump fuse is blown?

A fuel pump relay will typically fail in the open position, preventing voltage from reaching the fuel pump. As a result, the engine will be starved of fuel and refuse to run.