How To Repair Broken Fuel Pump Wires

Let's take a look at how to replace an former wiring harness, or pigtail, with the new one that is supplied with your new fuel pump module. This replacement is essential, or your new fuel pump may non work properly.

We ever put rubber first, so exist sure you are wearing safety glasses and gloves. And take a burn extinguisher close by.

Start by Disconnecting

Start by disconnecting the negative battery terminal. So disconnect the fuel pump harness from the tank. You'll need to remove about a foot of the tape and black plastic conduit from the harness. Make sure yous are non dealing with the fuel pressure sensor connector.

Wiring

If the one-time wiring is non identical to the new wiring, just refer to the diagram that comes with the new wiring. This volition assistance you lot friction match the onetime to the new.

Start Cutting

Now you're ready to start cutting. Cut the first pair of wires almost two inches away from the electrical connectors. So stagger the remainder of your cuts by well-nigh an inch and a one-half and strip the wires. Crimp the vehicle wiring to the new wiring harness with the supplied connectors on all wires. Brand sure non to trap any insulation between the electrical connector crimp. Adjacent, shrink the insulation with a oestrus gun to secure the connections.  Of course, be sure to go along this abroad from any fuel. When the mucilage begins to come out of the connector, then that means your seals are weather-tight.

Installation

To cease up, install the black plastic conduit and re-record the wires. And you lot're all set. Now you tin can exist confident that the new fuel pump you're about to install will have a secure connection for the rest of the life of the vehicle.

Source: https://www.delphiautoparts.com/usa/en-US/resource-center/how-replace-fuel-pump-wiring-harness

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