Fuel Pump Relay Diagram
To protect the computer from over current damage.
Fuel pump relay diagram. Remove the fuel pump relay from the fuse box. Play attention to how the relay comes out as the new one needs to go in the same way. This is an expensive failure to repair. An automobile can have a long life if the engine receives consistent flow of fuel and air especially during high speed driving.
Some circuit traces inside may burn open if a pump or other component has problems. How do i wire a fuel pump relay. Should have 10 to 12 volts dc while cranking the engine if the inertia switch is not tripped. Horn relay dual tone.
The practice of wiring the fuel pump through an external relay has two objectives. Fuse box diagram locate fuses and relays. Fuel pump inertia switch diagnostictroubleshooting notes. Power steering control module servotronic if fitted 3.
A fuel pump relay is a setup used in automobiles to maintain a consistent voltage supply to the engine. Fuel tank select switch wiring diagram. Fuel pump relay if starting up your cars engine is taking longer than usual then maybe its time you checked on the fuel pump relay. The dk grnyel wire.
Identifying and legend fuse box audi a4 b6 2000 2006. Using the diagram on the fuse box cover locate the fuel pump relay. Once you open up the fuse box you can use the diagram on the fuse box cover to find the fuse to the fuel pump relay. On your web site it shows this diagram with 85 going to ground.
Fuel pump relay wiring diagram. In the wiring in the fuel pump relay 2. This power comes from the fuel pump relay. The fuel pump relays high current circuit wire 4 is getting power.
How to re wire a fuel pump off a relay. The fuel pump relays low current circuit wire 2 is getting power. The two thinner wires that connect to the relay supply the control circuit terminals while the two thicker wires supply the power circuit terminal according to ebay. It states 86 goes to ground.
Should have 10 to 12 volts dc while cranking the engine. That the computer is grounding the relays low current circuit. If a fuel pump relay diagram is not available the individual needs to look at the relays mounting base to identify the terminals. That the fuel pump does come on and is producing the correct fuel pressure specification 35 to 45 psi.
This plastic encased unit is usually located near the steering column under your cars dashboardthe relays main job is to power the fuel pump once you turn the key in the ignition. This consistency ensures a steady flow of fuel to the engine.
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