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Z
2002 no communication via data link
The one thing I noticed now that wasnt a problem before was the "check gauges" light. When I turn the key to on position and wait 10 sec the check gauges light turns on and turn on my odometer with it. WTS light stays on. Also when its in on position my oil pressure gauge goes up to normal... -
Z
2002 no communication via data link
I have 5.5volts going to the fuel pump. (With the wire cut) but once I connect the wires and check voltage it shows 0v going to the pump. Does this mean it's a short somewhere? -
Z
2002 no communication via data link
Correct. The wire was cut before. So I made a direct connection from battery to fuel pump. When it ran on ether the gas pedal wasn't working. All connections on left diff of truck are correct. And I'm only getting about half a volt to the inertia switch. -
Z
2002 no communication via data link
I will check the inertia switch today again. I'm guessing I have a small short somewhere from transferring the harness. All wiring is from a 2002. And my truck is a 2003. But I changed everything over except steering wheel and gauge cluster. -
Z
2002 no communication via data link
It still doesn't run with fuel pump wired. Only ran under constant spray of ether. Its the 7.3 fuse box. I transferred all the 7.3 wiring -
Z
2002 no communication via data link
Scanner does not connect with pcm. And when I turn the key the fuel pump doesn't turn on. I wired it directly to the the battery to turn it on. But then it still wouldn't turn on. So now my WTS light doesn't turn off, and it shows I have normal oil pressure even tho the truck is not on. So... -
Z
2002 no communication via data link
sent the pcm out to have it tested, all positive results. said it should run. I am at a standstill again. all wiring looks good. all fuses are good. -
Z
2002 no communication via data link
Ok. That will explain alot! Thanks. I Used the 2002 fuse box. Swapped all wiring from the 02. I checked the 2 fuses of the pcm (22 and 36) and both get 12v when I turn the key. Its weird because the truck ran before but he had that switch installed. ( cut wire from fuel pump and inertia... -
Z
2002 no communication via data link
my truck is a 2002. all the fuses are under the steering wheel i believe. i tried to trace back a few wires, would you know where i can find the fuel pump relay? i am getting 12 volts from the pcm to the wire no. 94 ( fuel pump relay signal) -
Z
2002 no communication via data link
It cranks! Had it running today but only with a constant supply of ether. Once we stoppped spraying it died. And that was directly wiring in the fuel pump to the battery. Sounds like fuel is not getting in. And when it was "running" the WTS light did not shut off. -
Z
2002 no communication via data link
Yes. The wts light will not turn off tho. -
Z
2002 no communication via data link
hey guys, tried to plug in scanner and says it cannot connect. truck ran fine before. when i bought the truck the previous owner had a toggle switch wired up to the fuel pump and inertia switch. I put it back to factory wiring and now the fuel pump wont turn on. im not sure if i had a reading...
