What color is the fuel pump wire?

What color is the fuel pump wire?

The Wires to the Fuel Pump are GRAY (+) and BLACK (-).

How do you test a fuel pump wiring harness?

Use the jumper wire to power the fuel circuit and energize the pump. Connect the digital multimeter to the battery and the pump, both on their negative terminals. Conduct the tests using a live circuit wire. If the meter indicates a reading of more than 0.1 then this indicates a loss of voltage power.

How do I know if my electric fuel pump is bad?

It’s important to familiarize yourself with the warning signs of a faulty fuel pump—that way you can address any problems before it’s too late.

1. Engine Sputters at High Speeds.
2. Rising Temperature.
3. Fuel Pressure Gauge.
4. Loss of Power When the Vehicle Is Under Stress.
5. Surging.
6. Decreased Gas Mileage.
7. Engine Will Not Start.

What does the fuel pump reset button do?

This safety feature is intended to shut the fuel pump off in the event of an accident, but can sometimes be triggered by a pothole or even by sudden brake application. These switches are generally designed for a quick reset, but some models may require a more involved approach.

How do you reprogram a fuel pump control module?

The fuel pump control module must be programmed with the proper calibration software….Note:

1. Turn the Vehicle OFF for 10 seconds.
2. Open and close the door.
3. Connect the scan tool to the data link connector.
4. Vehicle in Service Mode, engine OFF.
5. Clear all DTC? from all modules.

How do you prime a new fuel pump?

Priming the Fuel Pump

1. Disconnect the hose that connects the fuel pump to the carburetor.
2. Spray a three second burst of starting fluid into the carburetor.
3. Repeat the spray-and-die procedure until you see fuel begin to wet the rag on the fuel line.
4. Reconnect the fuel line to the carburetor.