1991 pontiac grand am quad 4. Runs fine as long as fuel is sprayed into throttle body. Fuel pump relay clcks for start up prime. No power to connector at fuel pump. I cannot confirm wire colors for fuel pump to bypass circuitry to confirm fuel pump working. Car sat for a while and was working fine. Next time we tried to start it, no fuel.

\n\n \n\nfuel pump relay location
Disconnect the fuel pump outlet line at the 3-way joint and hold a graduated beaker under the tube. Turn the ignition switch on, let fuel flow into the beaker for 5 seconds, then turn the ignition switch off. Multiply the amount in the beaker by 12 to determine the fuel pump flow capacity per minute. Fuel Pump Minimum Flow: 500 cc (16.9 oz)per The fuel pressure test gauge should show 56-62 PSI and the engine should start if the previous relay was defective. Let's take a look at what your test results mean: CASE 1: The fuel pressure test gauge recorded 56-62 PSI after swapping the relay. This test result confirms that the fuel pump relay is defective and needs to be replaced. Engine turns over but will not start. Did not hear fuel pump running when ignition is only in on position. Checked fuses and fuel pump relay. Can hear the fuel pump relay click when the ECM B fuse is inserted with the ignition in the on position. Replaced fuel pump. Still behaves the same way. Instrument Panel Fuse Box Diagram. The fuse panel is located below and to the left of the steering wheel by the brake pedal. Remove the panel cover to access the fuses. PATS Transceiver, Brake shift interlock solenoid, Brake pedal switch, Automatic transmission relay coil, Reverse switch (back-up lamps for manual transmission) Circuit Breaker
Location. Most fuel-pump relay units are located under the dashboard near the steering column. In some cases, the unit is located in the area where the steering column is mounted or near the engine’s firewall. The end of the fuel pump relay is typically located near the center of the floorboard, under the carpet in the front section of the
J538 - Fuel pump control unit G6 - Fuel system pressurisation pump 317 - Fuel pump control unit J643 - Fuel supply relay (from May 2006) 28: 10: Charging point for Mag- Lite electric torch (special vehicle interface) (up to May 2005) 28: 30: U13 - Transformer with socket, 12V-230V (from May 2005) Not assigned (from May 2006) 28: 25 .
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    • fuel pump relay location