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How do you ground the sti connector

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  • How do you ground the sti connector

    Does it matter what type of wire you use to ground it if you do use a wire? I just want to make sure I know what I'm doing, don't want to short anything out. Thanks.

  • #2
    No, just make sure you have the correct wire.
    I use a big paper clip.
    '93 Blue 5spd 230K(down for clutch and overall maintanence)
    '93 White B6 swap thanks to Skeeters Keeper
    '92 Aqua parts Car
    '93 Turquoise 5spd 137K
    '90 White LX Thanks to FB71

    "Your God of repentance will not save you.
    Your holy ghost will not save you.
    Your God plutonium will not save you.
    In fact...
    ...You will not be saved!"

    Prince of Darkness -1987

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    • #3
      Do you just stick a paper clip in the thing? Is that grounding it?

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      • #4
        No, I stick a big paper clip into the connector, then ground it to whatever nut/bolt is convenient and easy to back off and re-torque it down with the paper clip trapped under it.
        '93 Blue 5spd 230K(down for clutch and overall maintanence)
        '93 White B6 swap thanks to Skeeters Keeper
        '92 Aqua parts Car
        '93 Turquoise 5spd 137K
        '90 White LX Thanks to FB71

        "Your God of repentance will not save you.
        Your holy ghost will not save you.
        Your God plutonium will not save you.
        In fact...
        ...You will not be saved!"

        Prince of Darkness -1987

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        • #5
          Ok, thanks. I try and find a big ole paper clip.

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          • #6
            I leave a male connector permanently in the STI connector, then use a wire with an alligator clip at each end to ground it. Very convenient.
            90 Festy (Larry)--B6M (Matt D. modified B6 head), header, 5-speed, Capri XR2 front brakes, many other little mods
            09 Kia Rondo--a Festy on steroids!

            You can avoid reality, but you can't avoid the consequences of avoiding reality--Ayn Rand

            Disaster preparedness

            Tragedy and Hope.....Infowars.com.....The Drudge Report.....Founding Fathers.info

            Think for yourself.....question all authority.....re-evaluate everything you think you know. Red-pill yourself!

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            • #7
              Whoops I type to slooooow
              Last edited by nitrofarm; 04-12-2014, 06:06 PM.
              Some people like to read fiction,I prefer to read repair manuals. Weird I know-
              Henry Ford: "Failure is the opportunity to begin again more intelligently"
              Fuseable Link Distribution Block repair link

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              • #8
                After a couple of shocks...LOL...I grounded out the sti and the engine immediately slowed down. Is this normal? I then checked my timing buy having the first notch (which I painted white) line up with the pointer thingy (which I painted white). It was off a bit so I loosed the distibutor and moved it til I got it as close as I could to lining all up. Its off a smidge to the rear of the notch. I believe I just set my timing? Best I could anywho. Everything sound right?
                Last edited by jimdigs; 04-12-2014, 07:04 PM.

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                • #9
                  You want to ground it BEFORE you start the engine but it shouldnt matter to much. But you want to adjust base idle speed & base timing together for it to be perfect. And yes you just set base timing. That grd locks out all electronic advance.
                  Some people like to read fiction,I prefer to read repair manuals. Weird I know-
                  Henry Ford: "Failure is the opportunity to begin again more intelligently"
                  Fuseable Link Distribution Block repair link

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                  • #10
                    Originally posted by nitrofarm View Post
                    You want to ground it BEFORE you start the engine but it shouldnt matter to much. But you want to adjust base idle speed & base timing together for it to be perfect. And yes you just set base timing. That grd locks out all electronic advance.
                    I was just following the sequence in the manual..states to..Start the engine and allow to warm up...next step states....ground the single pin black, Self test inuput test connector.

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                    • #11
                      I have no way to check the idle speed. With the STI grounded it sure idled a lot slower, is that normal?

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                      • #12
                        iirc 715 rpm idle while sti is grounded is about right. Actually between 695 and 720 but that was last summer the last time I did it.
                        -Bryant

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                        • #13
                          Originally posted by jimdigs View Post
                          I was just following the sequence in the manual..states to..Start the engine and allow to warm up...next step states....ground the single pin black, Self test inuput test connector.
                          I always shut my car off then ground it and restart....maybe thats wrong IDK.Just dont like the arcing I see,especially when I know my ECM might be involved.

                          Originally posted by jimdigs View Post
                          I have no way to check the idle speed. With the STI grounded it sure idled a lot slower, is that normal?
                          Yes normal because you are locking out all ECM Advance. Thats why they are referred to as "Base" speeds. I always make sure idle speed is good,when I set "Base Timing".But the actual timing is most important.Before I adjust the idle speed,I always observe what the engine idles at after two or three fan cycles. When they get really heat soaked they will sometimes idle to low.If you adjust the idle speed too low with the STI grounded.FYI cheap $25.00 eBay tach makes a fine tool with alligator clips on the leads.All you need is the tach wire thats under the hood and the + - wires go on battery. I'm happy if she idles smooth at 700-750.
                          Last edited by nitrofarm; 04-12-2014, 11:55 PM.
                          Some people like to read fiction,I prefer to read repair manuals. Weird I know-
                          Henry Ford: "Failure is the opportunity to begin again more intelligently"
                          Fuseable Link Distribution Block repair link

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                          • #14
                            "Before I adjust the idle speed,I always observe what the engine idles at after two or three fan cycles. When they get really heat soaked they will sometimes idle to low."

                            My fan is not cycling at all. I am going to flush my coolant system today (real nasty and rusty) and if that doesn't help with my fan coming on (because it does come on when unplugged from the sensor in the thermostat housing) I will have to get a new switch/sensor thingy that is in the housing.

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