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Thread: More fuel pump relay fun!

  1. #61
    Registered Member Catzilla's Avatar

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    I will just pull the one out of the parts car that I installed in 2006 when the car was just out of warranty but the Michigan road salt had chemically attacked the white plastic and caused leaks after top-off. It should still be good. My main concern is the gas fumes, ugh.

  2. #62
    The Diagram Dude pcb's Avatar

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    We're still chasing gooses (which is funner to say than geese) but I think we've got them cornered now....
    The Diagram Dude

  3. #63
    Registered Member Catzilla's Avatar

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    I'm fixin' to cook this goose if my trouble lamp ignites the gas fumes.

  4. #64
    The Diagram Dude pcb's Avatar

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    You could make a meal of it,... Thanksgiving and Christmas are coming up...

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  5. #65
    Registered Member Catzilla's Avatar

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    No goose.

    Fuel pump assembly swapped with known good one from parts car, has approx 110k miles and ran great when parked.

    No start.

  6. #66
    The Diagram Dude pcb's Avatar

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    Quote Originally Posted by Catzilla View Post
    No goose.

    Fuel pump assembly swapped with known good one from parts car, has approx 110k miles and ran great when parked.

    No start.
    Is it running ??
    Is power going to it ??

    Are the relays powered and clicking ??
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  7. #67
    Registered Member Catzilla's Avatar

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    Quote Originally Posted by pcb View Post
    Is it running ??
    Is power going to it ??
    Can't hear anything.

    There are two sets of terminals. One has B+, the other nothing.

  8. #68
    The Diagram Dude pcb's Avatar

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    See if you can hear/feel the main and fuel pump relays clicking when the ignition is turned on.
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  9. #69
    The Diagram Dude pcb's Avatar

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    The B+ may be for the fuel gauge ...
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  10. #70
    Registered Member Catzilla's Avatar

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    If Nathanagnew comes over I will have him turn the ignition while I feel the relays.

    This car is cursed.

  11. #71
    The Diagram Dude pcb's Avatar

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    Do you have B+ on the red/white wire or the gray wire ??

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  12. #72
    The Diagram Dude pcb's Avatar

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    You could pull your INJ fuse to feel a click.
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  13. #73
    Registered Member Catzilla's Avatar

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    Gray

  14. #74
    The Diagram Dude pcb's Avatar

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    You need B+ on the red wire with a green stripe to have power to the fuel pump.

    You could check to see if you have spark (this can maybe wait)

    Remove a plug put the sparkplug boot back on and lay it on the valve cover.

    If you don't have spark, then your ECU has shutdown the car.


    Check for continuity on the black wire going to the fuel pump.
    With the battery disconnected, test for ohms between the black wire and ground,... It should be near zero.
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  15. #75
    Registered Member Catzilla's Avatar

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    Pulling INJ fuse and replacing it causes a loud click from intake area.

    Leaving INJ fuse in, pulling green main relay and replacing it causes loud click from intake area.

    Note that no click can be heard from green main relay even though it's demonstratebly sending power to some relay in intake area. Likewise, no clicks can be heard from black fuel pump relay(s) but before my alligator clips quit working I know I got clicks from both of them.

    So sick of this car. Morale is low.

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