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  1. #11
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    I would NOT plug it into another vehicle or shore power until the problem is found.

    There are 2 possibilities that I see: The breaker is weak and tripping with much lower amperage than it is supposed to (not real likely because it was recently replaced) or there is a high current draw somewhere ( the more likely scenario). Connecting a vehicle could overload the circuits in the vehicle causing damage to the vehicle. Connecting shore power could overload your converter which could also cause problems.
    2022 Reflection150 226RK
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  2. #12
    Seasoned Camper
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    Lots of good suggestions here. I’m not sure about the wiring scheme here, but I would check the junction box in the hitch where the 7-way cord connects to the trailer wiring. There is another post somewhere in which a short in the truck to RV wiring caused a fire. Apparently, the 7-way cord pulled out of the restraining clamp and caused a short somewhere.

    I don’t know where it is, but I would try disconnecting the wire (in the RV power bay) that carries the +12v supply from the truck. After reading about that fire, I am going to find that connection and make sure there is a fuse in the RV power bay on that wire. If someone knows where the 12v truck wire connects to the RV buss and whether or not there is already a fuse there, plesae chime in.
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  3. #13
    Seasoned Camper
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    during lunch, did the first step in troubleshooting. Replaced the breaker with a manually resettable version and reconnected battery. All is fine.
    Also drove by my Ford house and they did the basic tester on the rv plug and ran the diagnostics on the truck nothing showed up.
    However, not sure the test showed if the 12v leg was showing power or not.
    After work plan to plug in wife's Explorer and see if it immediately trips the breaker.
    2022 Imagine 3250
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  4. #14
    Seasoned Camper
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    one thought I have is this. as stated with trailer connected to shore power or only to the rv battery, the 12v system appears stable.
    Would that also indicate the trailer side wiring harness is also not the culprit? I mean if the 12v charging wire in the harness was grounding out would that prompt the reset plugged into the truck or not?
    2022 Imagine 3250
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  5. #15
    Seasoned Camper
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    ends up it was the trailer plug on the f250. $100 repair. Had tested with our explorer and no breaker resets occurred.

  6. #16
    Site Team traveldawg's Avatar
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    Quote Originally Posted by f100owner View Post
    ends up it was the trailer plug on the f250. $100 repair. Had tested with our explorer and no breaker resets occurred.
    Glad you got this sorted out and thanks for posting the fix.
    Larry KE4DMG
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  7. #17
    Long Hauler geotex1's Avatar
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    Quote Originally Posted by f100owner View Post
    ends up it was the trailer plug on the f250. $100 repair. Had tested with our explorer and no breaker resets occurred.
    Well, heck! That is excellent. Now you can roll off for that weekend. Enjoy.
    Rob & Nikki + Cloverfield
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  8. #18
    Seasoned Camper
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    Hooked up and hauled the camper 200 miles to Goliad State Park this morning. Upon arrival noticed the manual reset breaker had tripped. Prior to leaving had backed the camper out of storage unit, open up the kitchen slide to turn on refrigerator with no issues.
    Wonder if I had stayed with the factory auto reset breaker I would have had that little hiccup.
    But yeah I do feel a little better about the camper at the moment.

  9. #19
    Seasoned Camper
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    Still have a minor issue - would be major if we "had" to stock the refrigerator prior to trips.
    At some point after we are rolling, the breaker trips. I am using the manual reset one at point.
    So on the return trip, I turned on the useless front cap lights (found a use for them) as it was daytime run and it tripped after about five miles.
    Kind of considering installing the auto resetting breaker before next trip. I have a few of them as spares.
    2022 Imagine 3250
    2021 f250 fx4 7.3
    2016 Harley Ultra Limited
    1971 F100 Flareside (project)

  10. #20
    Seasoned Camper more tired since retired's Avatar
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    Quote Originally Posted by f100owner View Post
    during lunch, did the first step in troubleshooting. Replaced the breaker with a manually resettable version and reconnected battery. All is fine.
    Also drove by my Ford house and they did the basic tester on the rv plug and ran the diagnostics on the truck nothing showed up.
    However, not sure the test showed if the 12v leg was showing power or not.
    After work plan to plug in wife's Explorer and see if it immediately trips the breaker.
    Be aware, on Fords (at least on the newer F series), 12v is not delivered to the 7 pin UNLESS the vehicle is in gear. I had an issue with a 2019 F-150 not powering the electric brakes. Tech checked it, replaced the plug, same issue. When he checked the data base to see if there could be another issue, he found the info about the vehicle being in gear. (He is an electrical/electronic specialists and honestly forgot.). Put the truck in gear and all pins powered. Turned out to be trailer brake control was defective. Anyway, traded in 150 for 2020 F-250 and that issue went away and we have a much more comfortable ride and power. WIN WIN!!!!
    Last edited by more tired since retired; 02-22-2023 at 07:48 AM.
    2020 F-250 XLT SuperCrew 7.3L Blue Ox SwayPro, 2020 Imagine 2600RB,
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