Fuel Pump not getting the right voltage
Hello,
The dome lights in my 2002 Mitsubishi Galant ES - 4 cylinders were not working so I tried to change the fuse on this beast. I tried removing and checking each fuse in the driver side next to the steering wheel and they all good. I went to the fuse box under the hood and found out it is the fuse in the yellow housing. To remove it, I had to remove the front ECU to get a good grip on the yellow casing. When I put everything back, the car would crank but not start. I checked and there is spark. I removed the fuel pump under the rear seat and tested with a jumper wire and it is good. The wire to run the pump has five pins. One pin has 6.67 V and the other is 4 V, none has 12 V required by the pump when the key is in the ON position. There are two identical relays in the fuse box next to the steering wheel. I have checked the bottom one and felt that it clicked when I turned the key to the ON position. The voltage it had was 12 V. The relay above it did not have any source voltage for some reason. However, when I swapped the top relay to the bottom, it clicked when I turned the key to ON. Also, I have a 2003 Mitsubishi Galant and took its front ECU and out it on my 2002 galant to see if it would fix the problem, now my 2003 galant also crank but does not start either. My wife has been screaming at me since Saturday so any help would be appreciated.
The dome lights in my 2002 Mitsubishi Galant ES - 4 cylinders were not working so I tried to change the fuse on this beast. I tried removing and checking each fuse in the driver side next to the steering wheel and they all good. I went to the fuse box under the hood and found out it is the fuse in the yellow housing. To remove it, I had to remove the front ECU to get a good grip on the yellow casing. When I put everything back, the car would crank but not start. I checked and there is spark. I removed the fuel pump under the rear seat and tested with a jumper wire and it is good. The wire to run the pump has five pins. One pin has 6.67 V and the other is 4 V, none has 12 V required by the pump when the key is in the ON position. There are two identical relays in the fuse box next to the steering wheel. I have checked the bottom one and felt that it clicked when I turned the key to the ON position. The voltage it had was 12 V. The relay above it did not have any source voltage for some reason. However, when I swapped the top relay to the bottom, it clicked when I turned the key to ON. Also, I have a 2003 Mitsubishi Galant and took its front ECU and out it on my 2002 galant to see if it would fix the problem, now my 2003 galant also crank but does not start either. My wife has been screaming at me since Saturday so any help would be appreciated.
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