~~Help Needed~~ No Fuel while driving~~ - Page 2
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This is a discussion on ~~Help Needed~~ No Fuel while driving~~ within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; hey if you want you can im my aim name areudown420...

  1. #16
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    hey if you want you can im my aim name areudown420
    New England F4

    feel free to pm me with any questions..

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  3. #17
    Registered User 68sprintb's Avatar
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    if the relay isnt installed nothing should happen to the fuse, it will only blow if there is a short to ground of the power side of a circuit before the load. in this case since the relay is gone the circuit ends there so between the fuse and relay harness is the short.

    if the contacts in the relay short that could cause the fuse to blow, but this isn't your case as it still happens without the relay installed.

    the way the turbo timer was installed could cause the problem as maybe the connectors corroded or started rubbing against something. visually check as much of the wiring you've added as possible.
    Blobeye Syndicate #75
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  4. #18
    Registered User subieracer18's Avatar
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    no, no multimeter. Looks like i need to buy one. I tried to edit the photo with paint lol. so you guys are saying that the short could be in here somewhere?
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  5. #19
    Registered User subieracer18's Avatar
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    Also, what does the number 4 go to on the top right corner?
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  6. #20
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    Thats not the clutch switch is it?

  7. #21
    Registered User 68sprintb's Avatar
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    #4 goes to the OBDII diagnostic link connector, so you're right, somewhere along that red line there is a ground where there shouldn't be

    try pulling out the main relay as well as the fuel pump relay, that big fuse 5 feeds the main relay so wiring on that circuit could be grounded too...
    Blobeye Syndicate #75
    2005 OBP WRX Sport Wagon
    Stewart Warner Boost & Oil temp gauges / OEM 20 mm rear bar
    Cobb stg 2 / STi uppipe / Crucial Racing downpipe
    Stromung 2.5" catless centerpipe / Scooby Sport New Age centre pipe & backbox

  8. #22
    Registered User subieracer18's Avatar
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    so, if i pull the main relay and the fuse still blows, what does that mean? If the fuse doesn't blow anymore what does that mean? I'm kind of a noob when it comes to electrical stuff.
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  9. #23
    Registered User 68sprintb's Avatar
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    if you pull the main relay and the fuse stops blowing, then the short to ground is after the main relay, if it does not stop blowing then the short is before both relays
    Blobeye Syndicate #75
    2005 OBP WRX Sport Wagon
    Stewart Warner Boost & Oil temp gauges / OEM 20 mm rear bar
    Cobb stg 2 / STi uppipe / Crucial Racing downpipe
    Stromung 2.5" catless centerpipe / Scooby Sport New Age centre pipe & backbox

  10. #24
    Registered User subieracer18's Avatar
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    wow.. i have no idea where to start!! i pulled the main relay and it still blew. so that means in my should check where i highlighted the picture.
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  11. #25
    Registered User 68sprintb's Avatar
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    you got it... i'd start by removing as much of the dash and front trim as easily possible and following the wires, it's gotta be there somewhere...
    Blobeye Syndicate #75
    2005 OBP WRX Sport Wagon
    Stewart Warner Boost & Oil temp gauges / OEM 20 mm rear bar
    Cobb stg 2 / STi uppipe / Crucial Racing downpipe
    Stromung 2.5" catless centerpipe / Scooby Sport New Age centre pipe & backbox

  12. #26
    UnBanned Sinister's Avatar
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    This stuff really interests me because I have no knowledge of subaru's wiring. I wish you the best of luck man.
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  13. #27
    Registered User subieracer18's Avatar
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    well, i'll probably start attacking the dash tomorrow in hopes of finding this wire. Do you possible know what the color of the wire is that goes from the Fuse box under the hood to the fuel pump harness?
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  14. #28
    Registered User subieracer18's Avatar
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    also, how do i check the relay with a multimeter?
    VF-39 Powered
    298.71HP/282.36TQ on 93Oct
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  15. #29
    Registered User subieracer18's Avatar
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    **Update**

    Ok, so i took half of my dash apart yesterday and overlooked alot of wires. I didn't see anything out of the norm. No loose wires, or open wires touching metal or anything. Something did change though. I pulled the main relay and then put a new fuse in the #5 spot and the fuse did not blow. Could the front 02 sensor cause this? I remember when i installed the uppipe that the wires were kinda exposed, so i put electrical tape around each individual wire to make sure they didnt touch eachother.
    VF-39 Powered
    298.71HP/282.36TQ on 93Oct
    319.32HP/308.27TQ on 110Oct

  16. #30
    Registered User 68sprintb's Avatar
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    the front O2 sensor is on the circuit for SBF-5, it's after the main relay so for the O2 sensor to blow the fuse the main relay would have to be installed. With both relays out of the circuit it is open at each relay. Did you put the relays back?
    Blobeye Syndicate #75
    2005 OBP WRX Sport Wagon
    Stewart Warner Boost & Oil temp gauges / OEM 20 mm rear bar
    Cobb stg 2 / STi uppipe / Crucial Racing downpipe
    Stromung 2.5" catless centerpipe / Scooby Sport New Age centre pipe & backbox

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