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  1. #1
    Join Date
    Aug 2013
    Location
    Wellford, SC
    Posts
    15

    Default Indmar temperature gauge not working

    I have a 2005 moomba mobius LS that I bought 2 weeks ago. The guy said his mechanic forgot to hook the temp gauge wires back up. There are 2 wires coming out of the wire tube that you can see in the first picture. One of them is not connected to anything. I have tried looking for a place for it to hook up but can't find anything. The bottom picture is where the other wire is connect. I am assuming there are 2 sensor probs. I tried google searching the location of the inmar temp probs with no luck. Please can anyone help??!? I have also tried switching the wires.


  2. #2
    Join Date
    Jan 2008
    Location
    Tallahassee, FL
    Posts
    10,644

    Default

    All right. Be patient. We'll get someone with your model to have a look and get you an answer. LS guys! Let's help a brother out here.
    My Mom said I'm not allowed to get wet!
    2008 LSV
    Exile Tunes
    PWI
    LLTR!!!!!!!!



  3. #3
    Join Date
    Jan 2008
    Location
    Pensacola, FL
    Posts
    1,522

    Default

    I am dealing with this on my new boat. One that is hooked up is the water temp sender. It sends the signal to your gauge and tells the ECM how cold the engine it. The other (if it's tan with a black stripe), goes to a water temp switch. This switch sends a signal to the ECM if there is an overheat condition in order to go into "limp mode"

    Of course, this is the info that I found out about in my indmar engine with TBI. Your may be different. Also long as your gauge is working fine and you watch it, it MAY not NEED to be hooked up. A dealer can tell you.

    The "other location may be under your finger in the first picture; there is a plug screwed into the intake.
    1997 MasterCraft 205

    2008 Moomba Outback
    1999 MasterCraft Sportstar OB
    1992 MasterCraft 205
    1999 Malibu Response LX
    1987 Marlin Magnum Skier

  4. #4
    Join Date
    Aug 2013
    Location
    Wellford, SC
    Posts
    15

    Default

    Alright so both this wires are not for my temperature gauge. Can anyone post a picture of the location of the temperature gauge probe for the temp gauge. My gauge does not work and I thought it was cause of the tan wire with the black stripe not being plugged in. I have the indmar assault 310 carb.

  5. #5
    Join Date
    Aug 2012
    Location
    Morganton, NC
    Posts
    29

    Default Re: Inmar temperature gauge not working

    Ive got the same motor in my 2000 LS. I'll make you a trade...

    My water temp works but my oil pressure is always 60+ psi almost maxing out the gauge. I'll take a pic of the water sender tomorrow afternoon (dark out now and cover is in the rig). Would you mind taking a pic of your oil pressure sender under the port exhaust manifold? Should be a two wire situation like your water temp sender...

    Sent from my S3 using Tapatalk 2
    2000 Outback LS
    310 Carb Direct Drive
    Too many hours restoring exterior from prior negligence to count!

  6. #6
    Join Date
    Aug 2013
    Location
    Wellford, SC
    Posts
    15

    Default

    Is this the picture you wanted? I found another wire plug that wasn't plugged into anything. You can see it in the top two pictures. This is just crazy!




  7. #7
    Join Date
    Aug 2013
    Location
    Wellford, SC
    Posts
    15

    Default

    I hope this is it. Also I see another plug wire that is not connected to anything. That I have no idea what it is. But my oil pressure works fine.



  8. #8
    Join Date
    Aug 2012
    Location
    Morganton, NC
    Posts
    29

    Default Re: Inmar temperature gauge not working

    Water sender:

    uploadfromtaptalk1376518777371.jpg

    Tan wire is connecter to sender. Tan with black is tied off, which has an original female barrel connector.

    Oil sender:

    uploadfromtaptalk1376518852510.jpg

    Blue wire attached to oil sender. Tan with blue is tied off but has a connector like it used to be on the sender. Ideas?

    Hope it helps!


    Sent from my S3 using Tapatalk 2
    2000 Outback LS
    310 Carb Direct Drive
    Too many hours restoring exterior from prior negligence to count!

  9. #9
    Join Date
    Aug 2013
    Location
    Wellford, SC
    Posts
    15

    Default

    I hope these pictures help. I see one new wire plug that is not hooked up to anything.

    http://i98.photobucket.com/albums/l2...psbe63d659.jpg
    http://i98.photobucket.com/albums/l2...ps5665232f.jpg

  10. #10
    Join Date
    Aug 2013
    Location
    Wellford, SC
    Posts
    15

    Default

    I have tried to reply 3 different times and it won't post to the forum!
    I have a lose wire like you do that is not hooked up to anything. I hope these pictures help.

    http://i98.photobucket.com/albums/l2...psbe63d659.jpg
    http://i98.photobucket.com/albums/l2...ps5665232f.jpg
    Last edited by Stroble; 08-17-2013 at 04:05 AM.

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