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Thread: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

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    msormilic's Avatar

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    2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    I've located most of the draw to inside the fuse box.

    I disconnected the main battery feed to the fuse box and it drops to around a 1 amp draw.

    I've pulled each fuse individually, but its hard because the amp draw is constantly going up and down.


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    I WILL STAND! AK Bob's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    Check both batteries and disconnect any hardwired connections first.

    With all fuses installed and everything turned off, doors closed for 60 seconds and under hood light bulb removed you should be seeing 40 milliamperes (.040 amps) or less.

    How are you measuring the draw?

    Are you using a DC clamp-on or amp meter in series?


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

    Sent from my iPad using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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    msormilic's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    I've tested both batteries and they seem to be OK.

    I've already disconnected the one hardwired wire going to the battery and that wasn't it.

    All other accessories are through the OEM aux switches.

    I am using a multi-meter in series.

    The first reading when i hook up the multi-meter is almost 4 amps and slowly drops to around 1 amp and will fluctuate back up to 3amp.


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    I WILL STAND! AK Bob's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    Quote Originally Posted by msormilic View Post
    I've tested both batteries and they seem to be OK.

    I've already disconnected the one hardwired wire going to the battery and that wasn't it.

    All other accessories are through the OEM aux switches.

    I am using a multi-meter in series.

    The first reading when i hook up the multi-meter is almost 4 amps and slowly drops to around 1 amp and will fluctuate back up to 3amp.
    That’s way too much current for a parasitic drain.

    I am sure others will chime in.

    For now I would perform the same test with the alternator wires disconnected as you may have a bad diode.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

    Sent from my iPad using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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    Basic Member Nooch13's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    Is the truck running while you are measuring this?

    That almost sounds like the grid heater cycling to me?


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    I WILL STAND! AK Bob's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    Quote Originally Posted by Nooch13 View Post
    Is the truck running while you are measuring this?

    That almost sounds like the grid heater cycling to me?
    Parasitic drain tests are not performed with the engine running.

    If the grid heater was cycling he would be seeing a good 240 amp plus draw or more.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

    Sent from my iPad using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  12. Top Of Page | #7
    Basic Member Nooch13's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    Quote Originally Posted by AK Bob View Post
    Parasitic drain tests are not performed with the engine running.

    If the grid heater was cycling he would be seeing a good 240 amp plus draw or more.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

    Sent from my iPad using Tapatalk
    ha, good call. We are all entitled to a bone headed thought every now and then! My bad


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    msormilic's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    No not running. That was after letting the truck sit for about an hour


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    msormilic's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    Quote Originally Posted by AK Bob View Post
    Parasitic drain tests are not performed with the engine running.

    If the grid heater was cycling he would be seeing a good 240 amp plus draw or more.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

    Sent from my iPad using Tapatalk
    No not running. That was after letting the truck sit for about an hour


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  17. Top Of Page | #10
    I WILL STAND! AK Bob's Avatar

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    Re: 2014 RAM 2500 With a 4-AMP Parasitic Draw - HELP!

    Quote Originally Posted by msormilic View Post
    No not running. That was after letting the truck sit for about an hour
    Did you try the test with the alternator wires disconnected?


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

    Sent from my iPad using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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