1996 Toyota Tacoma Fuel Pump Fuse Location: A Complete Guide to Finding and Fixing It
If you own a 1996 Toyota Tacoma and your truck won't start, stalls unexpectedly, or struggles to accelerate, a blown fuel pump fuse could be the culprit. The fuel pump fuse for a 1996 Toyota Tacoma is located in the passenger compartment fuse box, which is behind the cover to the left and below the steering wheel . However, the 1996 Tacoma does not have a fuse explicitly labeled "FUEL PUMP" in the factory diagrams. Instead, the fuel pump circuit is protected by the EFI fuse (15A) in the engine compartment fuse box and the GAUGE fuse (10A) in the passenger compartment fuse box . The fuel pump relay itself is mounted horizontally on the bottom of the fuse block . This guide will walk you through everything you need to know about locating, testing, and replacing the fuel pump fuse on your 1996 Toyota Tacoma, plus what to do when a new fuse blows immediately.
Understanding the Fuel Pump Electrical System on a 1996 Toyota Tacoma
Before you start digging into the fuse box, it helps to understand how the fuel pump gets power. The 1996 Toyota Tacoma uses a relay-controlled fuel pump system. When you turn the ignition key to the "ON" position, the Engine Control Module (ECM) energizes the fuel pump relay, which sends power to the fuel pump inside the gas tank. The fuses that protect this circuit are not always labeled "fuel pump" in the owner's manual, which confuses many owners.
The key fuses and relay for the fuel pump circuit are:
- EFI Fuse (15A) – Located in the engine compartment fuse box, this fuse powers the Electronic Fuel Injection system, including the fuel pump . If this fuse is blown, the fuel pump will not receive power.
- GAUGE Fuse (10A) – Located in the passenger compartment fuse box, this fuse powers the gauges, meters, back-up lights, cruise control system, and the charging system. Importantly, it also supplies power to the fuel pump relay coil . If this fuse is blown, the relay may not engage.
- Fuel Pump Relay – Mounted horizontally on the bottom of the fuse block inside the passenger compartment fuse box . This relay is the switch that actually turns the fuel pump on and off.
- AM1 Fuse (40A) – Located in the engine compartment, this fuse powers all components in the "STA", "ECU-B", "POWER", "RADIO", "CIG", "GAUGE", "TURN", "ECU-IG", "WIPER", and "4WD" fuses . A blown AM1 fuse can cause a cascade of electrical failures, including the fuel pump not working.
Step 1: Locate the Fuse Boxes on Your 1996 Toyota Tacoma
Your 1996 Toyota Tacoma has two fuse boxes you need to check: one in the engine compartment and one inside the passenger cabin.
Engine Compartment Fuse Box:
This box is located under the hood, near the battery on the driver's side of the engine bay. Open the hood and look for a black plastic rectangular box. Press the tabs on the sides to remove the cover. Inside, you will find a diagram printed on the inside of the lid showing the location and function of each fuse and relay .
Passenger Compartment Fuse Box:
This box is located behind the cover to the left and below the steering wheel, near the driver's left knee . To access it, pull the cover straight off. The cover itself has a diagram showing which fuse controls which circuit. This is where you will find the GAUGE fuse and the fuel pump relay .
Step 2: Identify and Test the EFI Fuse (Engine Compartment)
The EFI fuse is your first stop when troubleshooting a no-start condition related to the fuel pump. This 15A fuse is the main power source for the entire fuel injection system.
How to locate the EFI fuse:
In the engine compartment fuse box, look for fuse number 5 (EFI) with a 15A rating. On some diagrams, it is also listed as fuse number 18 in the engine compartment table . The fuse box cover should have a diagram that clearly labels "EFI" or "15A EFI."
How to test the EFI fuse:
- Turn the ignition switch and all electrical components OFF.
- Pull the EFI fuse straight out using a fuse puller tool (usually located inside the engine compartment fuse box cover) .
- Hold the fuse up to the light. Look through the clear plastic body. If the metal strip inside is broken or melted, the fuse is blown.
- If you are unsure, use a multimeter set to continuity mode. Touch the probes to the two metal prongs on the top of the fuse. A beep means the fuse is good. No beep means it is blown.
What to do if the EFI fuse is blown:
Replace it with a brand new 15A fuse. If the new fuse blows immediately, there is a short circuit somewhere in the fuel pump wiring or the fuel pump itself. Do not use a higher amperage fuse, as this can cause a fire .
Step 3: Identify and Test the GAUGE Fuse (Passenger Compartment)
The GAUGE fuse is often overlooked, but it is critical for the fuel pump relay to work. This 10A fuse supplies power to the relay coil that activates the fuel pump.
How to locate the GAUGE fuse:
Open the passenger compartment fuse box cover. Look for fuse number 19 (GAUGE) with a 10A rating . The diagram on the cover should label it as "GAUGE" or "10A GAUGE."
How to test the GAUGE fuse:
Use the same visual inspection or multimeter method described above. If the metal strip is broken, the fuse is blown.
What to do if the GAUGE fuse is blown:
Replace it with a 10A fuse. If it blows again, check for issues with the gauges, back-up lights, or the cruise control system, as these share the same circuit. A faulty fuel pump relay can also cause this fuse to blow .
Step 4: Locate and Test the Fuel Pump Relay
The fuel pump relay is the actual switch that sends power to the fuel pump. On a 1996 Toyota Tacoma, this relay is mounted horizontally on the bottom of the fuse block inside the passenger compartment fuse box .
How to locate the fuel pump relay:
- Remove the passenger compartment fuse box cover.
- Look at the bottom of the fuse block. You will see a relay mounted horizontally, clipped into the bottom of the fuse block. It is usually a small black or gray rectangular box.
- On some models, the relay is labeled "EFI" or "CIRCUIT OPENING." On the 1996 Tacoma wiring diagrams, it is often referred to as the circuit opening relay or EFI relay .
How to test the fuel pump relay:
- Remove the relay from its socket.
- Set your multimeter to measure resistance (Ohms).
- Connect the probes to terminals 85 and 86 (the coil terminals). You should see a resistance reading between 50 and 120 ohms. If the reading is infinite (open circuit), the relay coil is bad.
- Connect the probes to terminals 30 and 87 (the switch terminals). With the relay not energized, there should be no continuity (infinite resistance).
- Apply 12V power to terminals 85 and 86 (using a battery or power supply). You should hear a click, and now terminals 30 and 87 should show continuity (near zero resistance). If the relay does not click or there is no continuity, the relay is faulty.
Step 5: Check the AM1 Fuse (Engine Compartment)
The AM1 fuse is a 40A fuse located in the engine compartment fuse box. It is a main fuse that powers many of the circuits in the passenger compartment fuse box, including the GAUGE fuse . If the AM1 fuse is blown, you will lose power to the GAUGE fuse, which in turn prevents the fuel pump relay from working.
How to locate the AM1 fuse:
In the engine compartment fuse box, look for fuse number 3 (AM1) with a 40A rating. It is typically a larger fuse than the other fuses in the box .
How to test the AM1 fuse:
Use the same visual inspection or multimeter method. A blown AM1 fuse will often be visibly broken inside.
What to do if the AM1 fuse is blown:
Replace it with a 40A fuse. If it blows again, there is a serious short circuit in the circuits it protects, such as the power windows, door locks, or the starter system. Have a professional mechanic diagnose the issue.
Common Symptoms of a Blown Fuel Pump Fuse or Relay
Knowing the symptoms of a blown fuse or faulty relay can save you time. Here are the most common signs that point to the fuel pump fuse or relay on a 1996 Toyota Tacoma:
- Engine cranks but will not start: This is the most common symptom. The starter turns the engine over, but the engine never fires because no fuel is being delivered.
- No fuel pump prime noise: When you turn the ignition key to the "ON" position (without starting the engine), you should hear a faint whirring or humming sound from the fuel tank for about 2-3 seconds. If you do not hear this sound, the fuel pump is not receiving power.
- The truck stalls while driving: A failing relay or an intermittent short can cause the fuel pump to lose power while the engine is running, causing the truck to stall without warning.
- Multiple electrical components stop working: If the GAUGE or AM1 fuse is blown, your gauges, back-up lights, turn signals, or wipers may also stop working . This is a strong clue that the problem is at the fuse box level, not just the fuel pump itself.
What to Do If a New Fuse Blows Immediately
If you replace the EFI or GAUGE fuse and it blows again as soon as you turn the key, do not keep replacing fuses. This indicates a short circuit in the wiring or a failed component. Here is what to do next:
Check for a shorted fuel pump: The fuel pump inside the gas tank can develop internal shorts over time. If the pump's internal windings fail, it can draw too much current and blow the fuse. The only fix is to replace the fuel pump.
Check the fuel pump wiring: The wiring harness that runs from the fuse box to the fuel pump can rub against the chassis or get pinched, causing a short. Inspect the wiring under the truck, especially near the fuel tank and along the frame rails.
Check the fuel pump relay: A stuck or internally shorted relay can also cause the fuse to blow. If the relay fails in the "closed" position, it can keep the fuel pump running continuously, which can overheat the wiring and blow the fuse.
Check for corrosion: The fuse box terminals themselves can corrode over time, creating resistance and heat. This can cause the fuse to blow even if the circuit is otherwise fine. Clean the terminals with a small wire brush or contact cleaner.
Where to Buy a Reliable Replacement Fuel Pump for Your 1996 Toyota Tacoma
If you have ruled out the fuses and the relay, and the fuel pump itself is the problem, you need a high-quality replacement. The fuel pump is located inside the gas tank, so replacing it is a significant job. You do not want to do it twice. That is why choosing a reliable, durable fuel pump is critical.
Recommended: KEMSO Fuel Pump
For your 1996 Toyota Tacoma, we recommend the KEMSO brand fuel pump. KEMSO fuel pumps are designed as high-performance, OEM replacement units. They are built to meet or exceed the original factory specifications, ensuring a perfect fit and reliable operation. Every KEMSO fuel pump comes with a lifetime warranty, giving you peace of mind that your investment is protected.
KEMSO is committed to quality and performance. Whether you are using your Tacoma for daily commuting, off-road adventures, or heavy-duty work, a KEMSO fuel pump will deliver the fuel pressure and flow your engine needs.
Visit the KEMSO website to find the correct fuel pump for your 1996 Toyota Tacoma:
Why choose KEMSO?
- High Performance: Designed to provide consistent fuel delivery under all driving conditions.
- OEM Replacement: Direct fit, no modifications required. Includes all necessary components.
- Lifetime Warranty: KEMSO stands behind their products with a lifetime guarantee. If the pump ever fails, they will replace it.
- Trusted Brand: KEMSO specializes in fuel pumps for a wide range of vehicles, from cars and trucks to motorcycles and watercraft. Their expertise ensures you get a product that works.
Final Thoughts on the 1996 Toyota Tacoma Fuel Pump Fuse
The fuel pump fuse on a 1996 Toyota Tacoma is not a single, clearly labeled fuse. Instead, the fuel pump circuit is protected by the EFI fuse (15A) in the engine compartment and the GAUGE fuse (10A) in the passenger compartment. The fuel pump relay is mounted on the bottom of the passenger compartment fuse block .
If your Tacoma cranks but will not start, start by checking these two fuses. If they are good, test the relay. If the relay is working, the problem is likely the fuel pump itself. When you replace the fuel pump, choose a quality brand like KEMSO. Their lifetime warranty and OEM-grade performance make them a smart choice for any Tacoma owner.
For more information and to purchase a KEMSO fuel pump for your 1996 Toyota Tacoma, visit their website at: