Question about 2001 Chevrolet Silverado 2500

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Hi, I would like to know where the fuel pump relay is located on my 2001 Chevy 2500 4+4? Also Where is the powertrain control module located on this truck also. I had replaced the fuel leveling sensor in the tank. But before I did that, once I lifted the bed up to get to it, with the ground wires off from the bed and harness. I started the truck to pull forward and It ran for about 3 seconds and cut off. I finneshed the procedure and connected everything back and it still will not start.Even the fuel gage in the dash does not register anymore. Please help by telling me where these relays are and how to fix the problem!! Thank you for your time, Mark

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  • Chevrolet Master
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FUEL PUMP FUSE AND RELAYS LOCATED IN THE ENGINE COMPARTMENT LOOK ON THE FUSE COVER DIAGRAM IT HAS FUSES AND RELAYS LOCATION. POWER CONTROL MODULE LOCATED ON A BRACKET ON THE SIDE OF THE ENGINE COMPARTMENT.

Posted on Nov 06, 2010

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Posted on Jan 02, 2017

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Por favor, necesito diagrama de caja de fusibles para Mazda B2300 del 2001


Mazda B-Series (2001) - fuse box diagram Year of production: 2001

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Mazda B-Series - fuse box -
interior fuse panel Number Ampere rating [A] Description 1 5 Power Mirror 2 10 Blower Motor Relay, Air Bag Diagnostic Monitor, Passive Deactivation (PAD) Module 3 7,5 Trailer Tow Connector (LH Stop/Turn) 5 10 4×4 Control Module 7 7,5 Trailer Tow Connector (LH Stop/Turn) 9 7,5 Stoplamp Switch 10 7,5 Cruise Control Servo/Amplifier Assy., GEM/CTM, Shift Lock Actuator, Blend Door Actuator, A/C Heater Control Assy., Turn Signals 11 7,5 Instrument Cluster, Main Light Switch, RABS Resistor 13 20 Brake Pedal Position Switch 14 20 RABS Module 10 4WABS Mod., 4WABS Main Relay 16 30 W/W Motor, Wiper Hi-Lo Relay, Wiper Run/Park Relay, Washer Pump Relay 17 25 Cigar Lighter, Data Link Connector (DLC) 19 25 PCM Power Diode, Ignition, PATS 20 7,5 GEM/CTM, Radio 21 20 Flasher 22 20 Auxiliary Power Point 24 7,5 Clutch Pedal Position (CPP) Switch, Starter Interrupt Relay 26 10 Battery Saver Relay, 4×4 Electronic Shift Relay, Interior Lamp Relay, 4×4 Elec. Shift Control Module, Dome/Map Lamp, Instrument Illumination Dimming Module, Restraint Control Module, GEM/CTM, Instrument Cluster 28 7,5 GEM/CTM System, Radio 29 15 Radio 33 15 Headlights, DRL Module, Instrument Cluster 35 15 ISA Horn Relay if not Equipped with Truck Security Module

Engine compartment fuse block

Mazda B-Series - fuse box -
engine compartment Number Ampere rating [A] Description 1 50 I/P Fuse Panel 6 50 ABS Pump Motor 7 30 Powertrain Control Module 8 20 Power Door Locks and Remote Entry 11 50 Starter Relay Ignition Switch 12 10 PCM Memory 13 20 4×4 Motor 16 40 Blower Motor 21 10 PCM Memory 23 20 Fuel Pump Motor 24 30 Headlights 25 10 A/C Clurtch 28 30 4WABS Module 30 15 Trailer Tow 31 20 Fog Lamps, Day Time Running Lamps (DRL) 33 15 Park Lamp 38 10 Left Headlamp Low Beam 41 - Heated Oxygen Sensors 42 10 Right Headlamp Low Beam 45A - Wiper High/Low 45B - Wiper Park/Run 46A 46B - Front Washer Pump 47A 48A - Fog Lamp 48B - Fog Lamp Relay 49 - Full Starter 50A 50B - Fuel Pump 53 - Powertrain Control Module (PCM) Diode 54 - Powertrain Control Module (PCM) Diode 55 - Blower 56A - A/C Clutch Solenoid 56B - Trailer Tow

Jul 04, 2017 | Mazda Cars & Trucks

1 Answer

Where is the fuel pump relay located on 2009 chevy Silverado 1500


Jason,
The 2009 Chevy Silverado 1500 doesn't have a fuel pump relay. It has a fuel pump control module. If you are having an issue with your fuel pump and it is not the pump itself, just the cost of the fuel pump control module is about $177 from GM or about $95 after market.
Didn't know your motor size but have added a link that will give you a start searching.

Good luck.
Semper Fi,
Z

Module GM 20759945

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1 Answer

Where is the fuel pump fuse located on a 2009 Chevy Traverse


FSCM Fuse
25A
Fuel Pump Flow Control Module , under hood fuse/relay box.
do you know what a fuel pump control module is ?
The in-tank fuel pump is controlled with a fuel pump control module (FPCM). The engine control module (ECM) enables the FPCM and sends the desired fuel line pressure to the FPCM via GMLAN. The FPCM sends a pulse width modulated (PWM) voltage to the in-tank fuel pump allowing the fuel line pressure to be varied as commanded by the ECM. The high pressure fuel pump, fuel rail pressure, fuel injection timing, and injection duration are controlled by the ECM.

I would bet that the fuse isn't the problem ! Don't get me wrong , the fuse could be blown but fuse's don't blow for no reason . The fuel pump control module .

Video on youtube fuel pump control module diagnostic's .

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2 Answers

Where is the fuel reset button on a 03 Chevy malibu


There is no fuel reset button on GM vehicles ! If you have no fuel , your fuel pump or fuel pump relay or the PCM - powertrain control module is bad ! or you have a wiring problem !How do you know you have a fuel problem ? did you do a fuel pressure test ? Do you have a crank no start ? GM Fuel Pump Relay Testing

Feb 14, 2015 | Chevrolet Cars & Trucks

1 Answer

No power to fuel pump or pump fuse on a 1996 saturn sl1. whats up?


The fuel pump fuse gets its power from the fuel pump relay, which is located in the Instrument Panel Junction Block.

The fuel pump relay gets its ground from G102, which is located just forward of the left strut tower.

The fuel pump relay gets its power from the Powertrain Control Module Connector "C" Pin 10 ( DARK GREEN/ WHITE wire) for the primary side of the relay.

The sencondary side (the side that provides power to the fuel pump fuse) of the fuel pump relay gets its power from the IP BATT Fuse (30 Amp) HOT AT ALL TIMES in the underhood fuse block.

This should be enough information to figure out why your fuel pump is not getting power. Let me know what you find.

Apr 14, 2012 | Saturn SL1 Cars & Trucks

1 Answer

Chevy Silverado 2002 2500 shows trouble code, P0230, and P0300


P0230 - Fuel Pump Primary Circuit Malfunction Symptoms - Engine Light ON (or Service Engine Soon Warning Light) Possible causes - Blown Fuel Pump fuse
- Open Fuel Pump Monitor Circuit
- Faulty Fuel Pump Relay
- Damaged ECM. P0230 Description The Engine Control Module (ECM) provides ignition positive voltage to the coil side of the fuel pump relay. When the ignition switch is first turned ON, the ECM energizes the fuel pump relay, which applies power to the fuel pump. The ECM enables the fuel pump relay as long as the engine is cranking or running, and crankshaft reference pulses are received. If no crankshaft reference pulses are received, the ECM de-energizes the fuel pump relay after 2 seconds. The ECM monitors the voltage on the fuel pump relay control circuit.
Please go to this LINK for P0300 diagnosis.

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3 Answers

Where is the fuel pump relay on the 2001 Chevy Tracker?


Hi, here is the location of the fuel pump replay below....

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Hope it helps....

Jul 12, 2011 | 2001 Chevrolet Tracker

2 Answers

My 93 cougar like sputters when running. no power, and idles real hard. what could this be?


I'm guessing fuel pump is going. Check for 40 PSI pressure with fuel pressure gauge. Check in engine comaprtment.
Section 10-01: Fuel Tank, Filters, Lines and Electric Fuel Pump 1995 Thunderbird, Cougar Workshop Manual
DESCRIPTION AND OPERATION Fuel Pump, Electric The electric fuel pump:
  • Is part of the fuel pump module.
  • Is located in an internal reservoir in the polyethylene fuel tank (9002) .
  • Is mounted with its inlet at the bottom of the reservoir.
  • Is designed to increase satisfactory pump operation during extreme vehicle maneuvers and steep climbs with low fuel levels.
  • The high-pressure fuel pump module on the 3.8L SFI and 4.6L-2V engines can supply 60 liters (15.9 gal) of fuel per hour at a working pressure of 269.0 kPa (39 psi).
  • The fuel pump module on the 3.8L SC SFI engine can supply 125 liters (29.0 gal) at the same rate and pressure.
  • The fuel pump module has an internal check valve to maintain pressure in the system after the engine is shut down.
  • The fuel pump module also has an internal release valve to provide protection from too much pressure if fuel flow becomes clogged in the fuel filter (9155) , the fuel line is damaged, or other factors.
  • Overpressure is limited to 850 kPa (123 psi) and reduced fuel flow will result if the pressure relief valve is activated.
  • The fuel pump module is protected at its inlet by a nylon fuel filter element (9365) which filters contaminants which could plug or damage fuel pump components.
  • The fuel filter element simultaneously allows passage of small quantities of water which may accumulate within the tank reservoir.
  • The electrical system has a fuel pump control relay in the powertrain control module (PCM) (12A650) which provides power to the fuel pump module through an inertia fuel shutoff switch (IFS switch) (9341) that is normally closed.
  • The electrical system provides power to the fuel pump module through two relays:
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    • PCM power relay.
The current path depends on operating conditions.
  • When the ignition switch (11572) is OFF, contacts of both relays are open.
  • When the ignition switch is first turned to RUN, the PCM power relay energizes and closes its contacts.
  • Power is sent to the fuel pump relay and a timing device in the powertrain control module .
  • The fuel pump module runs through the contacts of the fuel pump relay.
  • If ignition switch is not turned to START, the timing device in the powertrain control module will open ground Circuit 57 after about a second.
  • Opening the ground circuit deenergizes the fuel pump relay, which opens its contacts and de-energizes the fuel pump.
  • The circuitry provides pre-pressurization of the fuel system.
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2 Answers

Trying to find the fuel pump FUSE.


There is no fuse specifically dedicated to the fuel pump on this year and model of Suburban. This Suburban is equipped with dual tanks and as such has two relay switches, primary and secondary, both of which are located at the main fuse box in the engine bay, that power up the respective fuel pumps.

The closest fuse (15A) controlling either of these relays also powers up the main control module (located beside and below the main fuse box). So, if one needs to disconnect the fuel pumps from functioning, then the only effective method is to disconnect the fuel pump relays.

May 27, 2009 | 2003 Chevrolet Silverado Ss

1 Answer

2001 chevy silverado 2500 hd, 6.0, replaced fuel pump and it will not start. Put a light tester to the wire harness and it is not getting power. cheked the relay and it works. is there anything else that...


If you are sure the fuel pump relay is working, check continuity from the pump to the relay socket. These wires love to corrode. When you turn your ignition on, the fuel pump will only run for a couple seconds before it shuts off via the automatic shutdown relay. Make sure you are checking power within this window. The PCM (powertrain control module) is what completes the ground in order for the relay to send power to the pump. If the PCM does not recieve a signal from several sensors (mainly the Crank Sensor) it will not turn on the pump. You may want to check these sensors, is the check engine light on? You can scan it to see if any sensors have thrown a code. Be sure all applicable fuses are ok, the PCM may have its own fuse, check that even if the fuel pump fuse is ok. Your Truck may also have an inertia switch for the fuel pump which shuts it off during an accident. Check that as well.

Mar 20, 2009 | 2001 Chevrolet Silverado 2500HD

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