Gauge issues

BTheisBTheis Posts: 46 Baller
Hi just wandering if I can bench test a Malibu (medallion) gauge . It’s the 4 in 1 and only the oil pressure stopped working. Thanks

Comments

  • FSSPCatFSSPCat Posts: 168 Baller
    @BTheis mine did the same thing but with the fuel. I took a friends out of their boat to see. It was the gauge for sure. I ended up replacing it.
    BTheis
  • RayRay Posts: 10 New Baller


    Probably the stepper motor. If your patient enough, that's a nice winter project. Go slowly and make sure you don't break the impossible-to-find bezel. 3 years since the repair and they work perfectly.
  • DkLkSkrDkLkSkr Posts: 50 Baller
    @Ray do you have more insight on how to replace the stepper motor?
    Gregg Doster
  • S1PittsS1Pitts Posts: 392 Crazy Baller
    @Ray Do you have a source for the stepper motors?
  • RayRay Posts: 10 New Baller
    @S1Pitts Amazon, search for "168 gm stepper motors"

    This is what I bought, but they are unavailable at the moment.


    Dromedary 6 GM GMC Stepper Motor
    S1Pitts
  • DkLkSkrDkLkSkr Posts: 50 Baller
    @Ray Thanks for the write-up! Why silicone instead of a glue for plastic? Is that so it is easier to disassemble should the motors need replacing again?
    Gregg Doster
  • RayRay Posts: 10 New Baller
    @DkLkSkr Yes.

    Personal choice, but my rationale was that it bears no load, glue excess would be difficult to remove and it might not sustain a second surgery using high strength glue.
  • BTheisBTheis Posts: 46 Baller
    @Ray thanks for your advice and pictures, got it all apart just need to order the stepper motors.
    Ray
  • GaryJanzigGaryJanzig Posts: 197 Baller
    edited November 2021
    Anyone tried marine gauges from Autometer.com? They have a real nice GPS speedometer. Skiboatpartsonline.com has a good selection of replacement gauges too.
  • 03RLXi03RLXi Posts: 34 Baller
    I just ordered one of these medallion conversion kits https://skiboatpartsonline.com/Medallion-Conversion-Kit-Malibu-TRD-1208-MAL-PP?search=1208 Once it arrives and is installed I'll report back on how it goes
  • RayRay Posts: 10 New Baller
    @03RLXi Clean solution but what about engine hours, depth finder, water and air temperature provided by MMDC? The tach option gives you an hourmeter and the paddle wheel thermocouple can be wired back to PP for water temperature display.

    It would be nice if Ron's tach could also display depth.
    03RLXi
  • 03RLXi03RLXi Posts: 34 Baller
    @Ray the 1208 kit gives me a new multi gauge and GPS speedo.
    Could have got the 1205 with multi and tacho but as my third gauge is the Malibu tacho & PP combo the 1208 is the best option.
    Engine hours available in the PP (or in engine if plug in diagnostic reader.
    I don't care about air temperature as just use feel to kow if it's cold, ok or hot :-)
    For water temperature and the all important decision if boardies only, shorty wetsuit or long wetsuit we're always on same lake so roughly know by season and weather, and if we really want to know water temp it's already available in PP.
    We will miss the depth alarm but sometime I'll add a new depth gauge/alarm.
    I did ask Ron if theres any chance he's developing a gauge with LCD for depth, temps etc but reply was no, not at moment.
    Ray
  • BTheisBTheis Posts: 46 Baller
    The kit cost $62 , 7 motors lots of spare lights in three colors. The soldiering vacuum is king when doing this kind of work (it came with the kit along with soldiering tool).

    ALPJrthager
  • DkLkSkrDkLkSkr Posts: 50 Baller
    @BTheis what was the method you used to separate the lens from the case?
    Gregg Doster
  • BTheisBTheis Posts: 46 Baller
    @DkLkSkr I used a one sided razor blade. It took many hours.
  • DkLkSkrDkLkSkr Posts: 50 Baller
    @BTheis Figured as much. I've been using a razor blade as well and just rotating the gauge as I have the razor blade up against it. Makes even more sense as to why @Ray used silicone to reattach. Would save a lot of time if needing to do this again, which is likely the case given these stepper motors.
    Gregg Doster
    BTheis
  • BTheisBTheis Posts: 46 Baller
    @DkLkSkr If I had to do it again I would have used a hacksaw blade filed flat and thin.
  • 03RLXi03RLXi Posts: 34 Baller

    The replacement TRD guages work great! Very happy with them. The GPS speedo is awesome and no waiting for it to find satelites as it stays powered up for 8 hours

    thagerBTheis
  • royalto3rdroyalto3rd Posts: 1
    Do you have the wiring instructions for the gauge replacement it you bought from RT?
  • 03RLXi03RLXi Posts: 34 Baller
    Yes, he supplied some instructional diagrams
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