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  1. #1
    Member WLS Ruby 93's Avatar
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    Corvette(s)
    1998 Torch Red Coupe

    Default How to test a switch?

    I have my 98 for 4 years now and from the get go the only thing that does not work are my fog lights. Most annoying.

    So far I have ....

    1. Check the bulbs they are OK but no current gets to the sockets.
    2. Changed the under-hood fuse and relay with new ones.
    3. Pulled the nose off and checked the wiring to the fuse box it's OK.

    Now I am thinking it's the switch. When I take the switch out there are multiple contacts so how do I determine if the switch is bad?
    Which terminals and how to hook them up to a 12v source? A test diagram would help.

    Thanks.

    Bill

  2. #2
    Member paz72vette's Avatar
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    Corvette(s)
    1972 stringray

    Default

    Not too sure about your car, but with power disconnected - take a long wire and connect it to the bulb, next take an ohm meter and connect one lead of it to the other end of the wire, the other lead touch it to the wires on the switch to see witch one has continuity.

    Once you find the wire then use a volt meter to check the voltages throughout the circuit.

  3. #3
    Member gmjunkie's Avatar
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    Corvette(s)
    03 Z-51,78 L82 Coupe

    Default

    There is also a fuse for the fogs under the passenger side floor in the inside power distribution center,Have you checked it? (#32 Mini 15 amp)

    Double Click the large image,It will open a new window!Then click the magnifying glass in the lower left corner and it will blow the schematic up!
    Attached Thumbnails Attached Thumbnails C5 Fog Lamp.jpg  
    Last edited by gmjunkie; 01-23-13 at 08:22 PM.
    junk!!
    "WARNING"
    The views and opinions of this forum user might not be suitable for others, this user may appear to be heavily over-medicated, under medicated, intoxicated, listening to the voices in his head or just plain being an ass, so some viewers may be offended!~!!!
    www.gmjunkie.com
    Founding Member: 10 Corvettes Anonymous


  4. #4
    Member WLS Ruby 93's Avatar
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    Corvette(s)
    1998 Torch Red Coupe

    Default Fog lights

    Quote Originally Posted by gmjunkie View Post
    There is also a fuse for the fogs under the passenger side floor in the inside power distribution center,Have you checked it? (#32 Mini 15 amp)

    Double Click the large image,It will open a new window!Then click the magnifying glass in the lower left corner and it will blow the schematic up!

    GMJunkie,

    Last year when I was messing with it for the third time I think I checked that fuse but will do it again.
    I just have to wait for a nice day to back out the tractor and other stuff then drop Scarlet down to the floor for a snoop, she's on the rack for winter.

    Thanks.

    Bill

  5. #5
    Member Junkman2008's Avatar
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    Corvette(s)
    2001 Navy Blue Metallic Coupe

    Default

    Quote Originally Posted by gmjunkie View Post
    There is also a fuse for the fogs under the passenger side floor in the inside power distribution center,Have you checked it? (#32 Mini 15 amp)

    Double Click the large image,It will open a new window!Then click the magnifying glass in the lower left corner and it will blow the schematic up!
    I was going to post, "With a schematic?"
    "Marines - Making the other guy die for his country for over 200 years."

  6. #6
    Member WLS Ruby 93's Avatar
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    Corvette(s)
    1998 Torch Red Coupe

    Default Switch

    Quote Originally Posted by Junkman2008 View Post
    I was going to post, "With a schematic?"
    Junkman,

    If the schematic is different from GMJunkie's please post. I can't have too much information.

    Thanks.

    Bill

  7. #7
    Member Junkman2008's Avatar
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    2001 Navy Blue Metallic Coupe

    Default

    Quote Originally Posted by WLS Ruby 93 View Post
    Junkman,

    If the schematic is different from GMJunkie's please post. I can't have too much information.

    Thanks.

    Bill
    No, Jesse posted the exact one you need. Do you know how to read it? Not everyone does so don't feel bad if you don't.
    "Marines - Making the other guy die for his country for over 200 years."

  8. #8
    Member WLS Ruby 93's Avatar
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    Corvette(s)
    1998 Torch Red Coupe

    Default Read

    Quote Originally Posted by Junkman2008 View Post
    No, Jesse posted the exact one you need. Do you know how to read it? Not everyone does so don't feel bad if you don't.
    I'm not too bad figuring out schematics and have two friends that were in the electronics field as backup not to mention my amateur radio club members. A lot of those guys know way more than I do.

    My problem is to make the time to check it out.

    Thanks J-Man.

    Bill

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