There are testing procedures for relays and ohm readings but it differs for all makes. The easiest way is to swap out an identical relay on the vehicle and check to see if the pump comes on. I know that on Ford Rangers there are 3 that are the same ECC, fuel pump, and AC. Since I knew that the ac worked I moved the relay over to the fuel pump and got no response still, so I moved it over to the ECC and both it and the fuel pump worked so that told me that the ecc relay was bad and it in turn triggered the fuel pump relay to activate in series.
No, the fuel pump relay engages and sends voltage to the fuel pump. The fuel pump requires 12 V DC to operate properly. A fuel pressure test will verify the condition of the fuel pump.
Fuel Pump fuse, relay, fuel filter, and all connections. A fuel pressure test will verify a defective fuel pump, or if it is simply not running, and has current to it.Fuel Pump fuse, relay, fuel filter, and all connections. A fuel pressure test will verify a defective fuel pump, or if it is simply not running, and has current to it.
Where is the fuel pump fuse and relay on 1994 BMW 525i and how can I test to see why my fuel pump won't work
I believe that you can switch the Horn Relay with the Fuel Pump Relay and if the horn no longer works and the Fuel Pump does then that relay went bad... try that, its a sure fire way to know whats wrong... If it checks out good it might be a Defective Fuel Pump.
Yes, the fuel pump relay turns on and off sending power to the fuel pump as needed. The best to test that relay is to just replace it with a new one. Also make sure and check the fuel pump fuse and replace the fuel filter as it might be clogged.
If the fuse & fuel pump relay are good then more than likely the pump is bad.
pull the fuel pump relay and put it in another location that uses the same relay...like the A/C relay.
A 2005 PT Cruiser does have a fuel pump relay. They have a fuel pump relay rather than a fuel pump switch. The fuel pump relay is located in the fuse box.
Turn key on-jumper relay receptacle pin 1 and 3 this will cause the fuel pump to come on-
YES YOU CAN
casey,figure it out!!
In order to test the fuel pump relay, you must check that the two control circuit terminals on the relay are not connected, using an ohmmeter. You must also test the power circuit terminals on the relay, in the same way.