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Howell TBI / EFI Installation How-To for CARB E.O. #D-452-2

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  • #76
    Slim pickings at the yard Sat (usually find 10-20 chevs of the TBI era), but managed a few:





    IIRC, what we did before (20+ years ago, TPIGuy era EFI) was slice out the donor wires from the rubber, the slide current wires in, black RTV'ing them to seal. LMK if you want me to send you one (I HATE the idea of someone running a raw leak to unfiltered air!)
    "Jeepjake" on this site 20-years ago, did the first Ouray Invasion (stuck on Imogene pass, wrote a story about it), then subsequent Uninvasion the next year. Been working on Jeeps 50-years, have had a Jeep of one rendition or another all my adult life.

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    • #77
      Hey, I appreciate it, but I have a salvage yard near me I need to visit at some point. I recently moved to AZ and haven't yet had a chance to get out and about to see what treasures that new yard holds, but I'll snag a couple grommets when I can.
      --Rob--
      1988 Jeep Grand Wagoneer / Baltic Blue & Tan
      2008 BMW 535xi Wagon / Deep Sea Blue & Tan

      My build thread:
      https://ifsja.org/forums/vb/showthread.php?t=189245
      My Howell TBI Install How-To:
      https://ifsja.org/forums/vb/showthread.php?t=189877

      Comment


      • #78
        IMHO, I would think you could wipe the hole down with a very light layer of grease, then use hot glue in there to create your own. The problem with that grommet is you could have to cut the wires to install it.
        79 Cherokee Chief (SOLD, goodbye old buddy) https://forums.ifsja.org/core/images/smilies/frown.png
        (Cherokee Build Thread)
        11 Nissan Pathfinder Silver Edition 4x4
        09 Mazdaspeed3 Grand Touring https://forums.ifsja.org/core/images...tom/drivin.gif
        00 Baby Cherokee https://forums.ifsja.org/core/images...es/redface.png

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        • #79
          Originally posted by rang-a-stang
          IMHO, I would think you could wipe the hole down with a very light layer of grease, then use hot glue in there to create your own. The problem with that grommet is you could have to cut the wires to install it.
          Was thinking a razor blade to cut channels into each grommet hole, then slide the wires in that way, but I suppose I could just gasket-maker a solution too (as long as I did it in such a way as to avoid my plug getting sucked into the throttle body).
          --Rob--
          1988 Jeep Grand Wagoneer / Baltic Blue & Tan
          2008 BMW 535xi Wagon / Deep Sea Blue & Tan

          My build thread:
          https://ifsja.org/forums/vb/showthread.php?t=189245
          My Howell TBI Install How-To:
          https://ifsja.org/forums/vb/showthread.php?t=189877

          Comment


          • #80
            Only one wire marked "starter solenoid," their instructions say there should be two and no one at Howell gets back to me. "I" or "S" on the solenoid? Guess I'll play musical wiring if the don't get back or no one gets on here who's had this issue.
            "Jeepjake" on this site 20-years ago, did the first Ouray Invasion (stuck on Imogene pass, wrote a story about it), then subsequent Uninvasion the next year. Been working on Jeeps 50-years, have had a Jeep of one rendition or another all my adult life.

            Comment


            • #81
              Hey, MysticRob, am continuing the journey with our resto; was scrolling thru both your build threads to compare notes & noticed I may be missing a spring on the throttle linkage for the transmission. Do you have a clear pic of how its hooked up?

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              • #82
                Hi MysticRob

                I have my GW up and running, But i haven't finished putting the Interior back together. I can't figure out where the green wires that are part of the harness with the A/C fan wires go.

                Thanks. Lane

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                • #83
                  Here’s the wires
                  Attached Files

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                  • #84
                    Originally posted by bristolf2b View Post
                    Here’s the wires
                    hey bristolf2b, am thinking the orange wire goes to the fan, and the green one goes to the thermistor - is the probe that’s stuck into the condenser fins.

                    dug & found a pic of the air box just pulled from our GW showing the thermistor connector


                    and, a pic of the transplanted thermistor into the new condenser


                    Last edited by Theodore; 01-11-2023, 05:10 AM. Reason: Added pix.

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                    • #85
                      Thanks i was looking all over under the dash and didn't even think to look at the condenser. i really appreciate the help and pictures.

                      Lane

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                      • #86
                        When you mounted the stock air cleaner where does the threaded rod go in the throttle body?
                        Jeff

                        Drink more water.


                        "Nothin' ain't worth nothin'.
                        But it's free"
                        Kris Kristofferson 1970

                        1981 J10, 258, T176, NP208

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                        • #87
                          When you mounted the stock air cleaner where does the threaded rod go in the throttle body?
                          Jeff

                          Drink more water.


                          "Nothin' ain't worth nothin'.
                          But it's free"
                          Kris Kristofferson 1970

                          1981 J10, 258, T176, NP208

                          Comment


                          • #88
                            Originally posted by Locked and Loaded View Post
                            When you mounted the stock air cleaner where does the threaded rod go in the throttle body?
                            in the stock location; i'm using the threaded rod from an early 90's S-10 (which has an offset bent into it; & it's about 1 1/2" too long, so i've added a large nut to take up some of the slack.

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                            • #89
                              Originally posted by Locked and Loaded View Post
                              When you mounted the stock air cleaner where does the threaded rod go in the throttle body?
                              Sorry, I haven't been getting email notifications for many months now.
                              My Howell kit came with a kinda S-shaped rod that screws into the TBI body, so just thread it in and adjust to where the stock air cleaner lid will fit it. As I recall, the rod isn't tight in the body, but once the wing nut is tightened down on the lid, it's all nice and snug.
                              --Rob--
                              1988 Jeep Grand Wagoneer / Baltic Blue & Tan
                              2008 BMW 535xi Wagon / Deep Sea Blue & Tan

                              My build thread:
                              https://ifsja.org/forums/vb/showthread.php?t=189245
                              My Howell TBI Install How-To:
                              https://ifsja.org/forums/vb/showthread.php?t=189877

                              Comment


                              • #90
                                Thanks. Did you need a spacer under the air cleaner?
                                Jeff

                                Drink more water.


                                "Nothin' ain't worth nothin'.
                                But it's free"
                                Kris Kristofferson 1970

                                1981 J10, 258, T176, NP208

                                Comment

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