Alternator replaced... now more severe problems.
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This is a discussion on Alternator replaced... now more severe problems. within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Installed new alternator and battery today. Hooked everything up the way it came off, went to hook the neg battery ...

  1. #1
    Registered User STL WRX's Avatar
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    Alternator replaced... now more severe problems.

    Installed new alternator and battery today. Hooked everything up the way it came off, went to hook the neg battery terminal up and as soon as it made contact with the battery it arched badly and I heard a loud "pop" sound over near the passenger side of the engine bay. Usually once the neg battery terminal is hooked up you hear the fuel pump whine and then your good to go. Now after this happened nothing works at all except the parking lights from the top steering wheel switch. I put the key in the ignition... nothing, no fuel pump priming sound, wont crank, no door locks, key fob don't work, no lights, no radio, no headlights... absolutely nothing works. Checked all the fuses and they are good, relays I am not sure how to check them. Unplugged the battery and plugged it back up and there's still nothing.

    What has happened?
    2005 Cobb Stage 2.5 Aspen White WRX w/ Sunroof
    VF34'd - STI TMIC - 565 inj's - Blitz DC III Turbo Timer - Eibach Pro Kits - Rota Torque's 17x8in Wheels Bronze - 245/40-17 Dunlop FM901 tires
    STI JDM Front and Rear Strut Bar's - Greddy EVO 2 Catback- Invidia V2 Downpipe - DC Sports Uppipe
    Cobb AP - DC Sports Short Shifter - STI Seats and Carpet

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  3. #2
    Registered User JMack's Avatar
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    sounds like you put the battery in backward, and that's what arched (you already had the ground and you put power to it).

    It may have blown the primary fuse (should be a big one, 50A or so).
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  4. #3
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    Quote Originally Posted by JMack View Post
    sounds like you put the battery in backward, and that's what arched (you already had the ground and you put power to it).

    It may have blown the primary fuse (should be a big one, 50A or so).
    yup

  5. #4
    The Default One SeattleJeremy's Avatar
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    Yep, I've done that.

    It's easy to fix, but the fuse is like $10
    The fuse box is on the driver side, behind the battery.

  6. #5
    Registered User STL WRX's Avatar
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    Nope... just went and looked at the battery. It's an Interstate battery with + and - symbols and its hooked up right. Called the dealer and they said to check relays.
    2005 Cobb Stage 2.5 Aspen White WRX w/ Sunroof
    VF34'd - STI TMIC - 565 inj's - Blitz DC III Turbo Timer - Eibach Pro Kits - Rota Torque's 17x8in Wheels Bronze - 245/40-17 Dunlop FM901 tires
    STI JDM Front and Rear Strut Bar's - Greddy EVO 2 Catback- Invidia V2 Downpipe - DC Sports Uppipe
    Cobb AP - DC Sports Short Shifter - STI Seats and Carpet

  7. #6
    The Default One SeattleJeremy's Avatar
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    Check the fuse, you may have blown it when it arced.

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