Condemning a PDM

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  • D.wright120
    • Jun 2023
    • 10

    • Dallas

    • 2011 Nautique 230 TCE 2019 Nautique GS22

    Condemning a PDM

    Good Afternoon, I am wondering if anyone has any idea how to condemn a PDM (power dist module) I am having some funky intermitent electrical behavior with the linc screen. Very random LINC resetting under load

    What I have done so far is remove the 2 PDMS in my Boat the test I did was connect 2 gator clips directly to my PDM from the battery onboard, and then check each pin with my Multimeter. I am getting mixed results between the 2 PDMs and honestly I am not sure which is correct.

    PDM 1 (the one in question) gives me readings of 3-5 volts on the second plug lower set of Pins and mixed voltage accross some of the other pin connectors on the pdm
    PDM 2 when connected to 12 volts produces 0 volts across all pins which makes me believe that the circuits do not energize unless there is a closed circuit present to energize

    PDM 1 Also makes a weird buzzing noise for like 5 seconds when initially energized unlike the other one. there is no transformer present unless in the module to drop voltage I have tried to disassemble this unit myself and man they really dont want you to do that.... its like ft knox security

    these units are pricey so looking for any advice if anyone has dealt with a failing unit

    Additionally I did swap PDMs temporarily which seemed to eliminate some of the issues but did not test to much. PDM 1 Currently handles the majority of the circuit's and PDM 2 handles about 1/4 of that of the first. Ive read to swap since they are the same and the current unit in question would be handling less of the circuit's.

    Any Advice appreciated
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