Where are the fuel pump relays on a 1994 S10?

They may or may not be in the same location on your 1994 S10 with 4.3L. To remove either one of those relays, you must unplug the harness from the bottom of the relay and lift upwards on the relay and pull it from the bracket. Found the relays finally. They are located forward of the center console, vertically between the radio and floor.

Where is the fuel pump fuse box located?

The engine’s or the dashboard fuse box is usually a long black box containing a fuel pump relay and various other fuses and relays. For different vehicles, the fuel pump relays can be located in different places.

What is the second half of a fuel pump relay?

The second half of the relay is the “switch” that controls power to a particular accessory; like a fuel pump. Terminals 86 and 85 are the primary side of the relay. It utilizes an electromagnet to close (connect) the secondary electrical circuit inside the relay.

What kind of fuse box does a Chevy S-10 have?

Alternator Field, A/C Compressor Relay, Cluster Chime Module, DRL Relay Coil, Four-Wheel-Drive Indicator Lamp, DRL Module, Transfer Case Control Module Ignition, SIR Redundant Ignition, RKE Ignition Oxygen Sensor Heater, Exhaust Gas Recirculation, Cam Sensor, CANN.

Why does my 1994 Chevy S-10 not start?

1994 Chevrolet S-10 4.3 tbi. I never get the signal to turn on the fuel pump or fire the injectors but if i poor gas in the intake once the truck starts it runs fine. Any ideas ? I have replaced the fuel pump relay oil pressure switch and computer.

What are the symptoms of a faulty fuel pump relay?

1 Engine does not start. A common symptom of a faulty fuel pump relay is an engine that just refuses to start, even though the engine may still crank when the 2 Engine stalls. One of the most common symptoms of a failing fuel pump relay is an engine that suddenly stalls. 3 Loss of Power. 4 No noise from the fuel pump. …

How to troubleshoot your TBI fuel injection system?

Troubleshooting your TBI Fuel Injection System Most of the problems encountered while installing your fuel injection system or after a time of operation are very simple. If your check engine light is on you more than likely have a hard fault meaning something is grounded out, unplugged, operating out of range or has gone bad. See

What kind of fuel pump wire do you need for TBI?

The GRAY wire labeled “Fuel pump Feed+” must be connected to the positive fuel pump power wire to energize the fuel pump. A typical TBI pump pressure must be able to maintain 15 to 18 PSI. Brake Switch The PURPLE wire on the 700R4 transmission plug must be connected to the Brake Switch in your vehicle for proper Torque Converter Lockup operation.

Is there an ECM signal to the fuel pump relay?

The fuel pump relay works as it should. I always have power to Pin 30. I believe the ECM tells the relay to work via the green/black wire to Pin 85. This should happen for 2 seconds when the key is turned on. I have tested this when the issue is occurring and have confirmed that no signal is being sent from the ECM.

What is the fuel pump relay wiring diagram?

Fuel Pump Relay Wiring Diagram (Automatic Trans. Only) NOTE: The illlustrations and info in this page apply only to 1994 Chevrolet/GMC pickups with a 4.3L, 5.0L or a 5.7L engine. For the 1993 fuel pump wiring diagram, check out the following article: 1993 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L).

Is there no power to the fuel pump?

No power to the fuel pump and the fuel relay is not getti… Q: No power to the fuel pump and the fuel relay is not getting power. My car has 190000 miles.

When does a fuel pump relay go bad?

If you’re lucky and your car restarts after a short while, your fuel pump relay is faulty, which requires immediate inspection. The fuel relay may be the culprit if the car suddenly seems to lose power while driving, or slowing down with no apparent reason.

When do you need a S10 fuel pump?

If you notice sudden jolting on acceleration, fuel economy changes or ignition failure, there’s a good chance you need a new Chevrolet S10 fuel pump from AutoZone. Since S10 fuel pumps provide the engine with a steady supply of fuel on demand when you accelerate, they start to affect vehicle performance quickly when something goes wrong.

What was the fuel pump voltage in 1993?

1993 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L). Should have 10 to 12 Volts DC with Key On Engine Cranking or Key On Engine Running (KOER). This voltage comes from the GRY inline fusible link located in the engine compartment junction block.

Where are the fuses on a 1995 Chevy S-10?

Chevrolet S-10 (1995) – fuse box diagram Year of production: 1995 Instrument panel The fuse block is in the instrument panel on the driver’s side. Fuses/Circuit Breaker Name Circuit protected A PWR ACCY Power Door Locks, Power Seat, Power Seat Lumbar, RKE B PWR WDO Power Window 1 STOP HAZ Stop Lamps, Hazard Lamps, Chime, CHMSL Relay, CHMSL …

Where is the fuse panel on a blazer?

Never replace a broken fuse with anything other than a new fuse. Use always an intact fuse of the same color. If a fuse blows again contact a qualified service center. The fuse panel is located under the dashboard. 1988-1994: Rear/Four Wheel Anti-Lock Brake Module, Digital Radio Adapter Module, Speedometer, Auto.

Where do you find the fuel pump relay?

When you shut off the ignition, it powers down the fuel pump. In most vehicles, the fuel pump relay can often be found in the fuse box in the engine bay, which is usually a long black box which contains fuel pump relay along with various other fuses and relays.

Where is the fuel pump shut off switch located?

On Ford, Peugeot, VW, Citroen, Vauxhall, Subaru, Renault, Toyota and Mazda, inertia switch location is usually on one of the following two hidden places: Behind or below glove compartment, sometimes hidden under the carpet; On the driver side, between the footrest area and door, sometimes hidden under the carpet.

What are the symptoms of a bad fuel pump relay?

A bad fuel pump relay can cause many different symptoms. Here are the most common ones The fuel pump relay is an important component of the fuel system of your vehicle. The fuel pump relay gives the fuel pump power when it is time to build up fuel pressure in the rail.

What happens when a fuel pump goes bad?

The engine turns off if the combustion chamber’s fuel is inadequate or doesn’t have the proper pressure. The part that ensures none of this happens is the fuel pump, and it cannot work perfectly if the fuel pump relay develops any issues. A faulty fuel pump relay can also cause the engine not to start at all and be completely dead.

What is the fuse diagram for a Chevy S-10 Blazer?

Diagram (1985-1994) № A Circuit Protected 9 15 1988-1994: Rear/Four Wheel Anti-Lock Bra 10 25 Heating & A/C 11 30 Circuit Breaker: Power Windows 12 10 1993-1994: Daytime Running Lights

Where is the fuel pump in a car?

The fuel pump is located in the fuel tank, near the rear of the vehicle and can usually be heard when the engine starts. A healthy fuel pump plus a healthy fuel pump relay will often produce a variation of a low volume hum or whine which can be heard from inside the vehicle, or from the outside, near the fuel tank.

What happens if the fuel pump relay fails?

If the fuel pump relay fails, the fuel pump will receive no power and will not operate, thus it will be silent. Always start with a visual inspection first before moving on to other tests, which will be specified below.

Where are the fuel pump relays on a 1994 S10?