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Tab 400 2023 - photo of smart solar MPPT 75/15

JWheelJWheel Member Posts: 3
in Battery/Electrical & Solar
I just purchased a 2023 TAB 400. I cannot connect via Bluetooth to the solar controller. I look at the 75/15 under the fridge and no light is on and only 2 wires are connected. Can someone share a photo of their set up? Any help would be appreciated. Thanks. 
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  • JWheelJWheel Member Posts: 3

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  • RTWCTSRTWCTS Member Posts: 185
    edited June 2023
    deleted post... must have looked at my info wrong...sorry for misinformation.
    2023 TAB 400
    Relentlessly Pursuing a 2025 Silverado EV
    Racing the Wind and Chasing the Sun
    Virginia Beach, VA
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  • pthomas745pthomas745 Administrator, Moderator Posts: 4,344
    It is hard to tell in your picture and description.  You say "only two wires are connected."  There should be two sets of cables.  One set goes to the "BATT" connection.  The other goes to the "PV" connection.  The "Load" connection is not used in the "normal" setup.
    This thread has some info and pictures on what to look for.  If there are no LED's showing on your controller,  there is obviously a wiring issue. There are also, depending on the battery setup you have in your new 2023, many moving parts. So, tell us what battery setup you have.  Check that fuse in the fuse holder, too.


    2017 Outback
    Towed by 2014 Touareg TDi
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  • MuttonChopsMuttonChops Member Posts: 1,860
    @JWheel ;  Your Controller Wiring Looks normal/correct to me.
                     See image below.

    {{ as @pthomas745 noted, there should be no connections to the Load Terminals  }}

    '18 320 S,  pitched axle, 3020HE; PNW based
    TV: '17 Colorado V6 Z71 4x4, Tow Package, GM Brake Controller
    TV: '25 Canyon AT4
    Adventures:  57   Nights:  399  Towing Miles 49,190
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  • elbolilloelbolillo Member Posts: 532
    JWheel said:
    I just purchased a 2023 TAB 400. I cannot connect via Bluetooth to the solar controller. I look at the 75/15 under the fridge and no light is on and only 2 wires are connected. Can someone share a photo of their set up? Any help would be appreciated. Thanks. 
    Just to confirm, you see no intermittent blue light flashing on the controller? I would check the fuse to see if it has blown. 
    _____________________________________________________
    Ken / 2023 Tab 400 “La Bolita” (29,000+ miles) / 2024 Toyota Sequoia
    2025 - 1 Trip - 25 nights - 2 National Parks
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  • elbolilloelbolillo Member Posts: 532
    elbolillo said:
    JWheel said:
    I just purchased a 2023 TAB 400. I cannot connect via Bluetooth to the solar controller. I look at the 75/15 under the fridge and no light is on and only 2 wires are connected. Can someone share a photo of their set up? Any help would be appreciated. Thanks. 
    Just to confirm, you see no intermittent blue light flashing on the controller? I would check the fuse to see if it has blown. 
    And while you are in there I would suggest taking a picture of the bottom of the unit so you have the PKU number. This will come in handy if you have any issues in the future with connecting to the unit.
    _____________________________________________________
    Ken / 2023 Tab 400 “La Bolita” (29,000+ miles) / 2024 Toyota Sequoia
    2025 - 1 Trip - 25 nights - 2 National Parks
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  • MarcelineMarceline Member Posts: 1,717
    edited June 2023
    Maybe it’s just the angle of the photo, but it looks to me like solar panel + line (assuming that’s the green fused line coming off the Wago connector) is connected to the PV - and there’s nothing at all connected to PV +. It almost looks like both the Battery + and - are connected to BAT +. 

    At any rate, I would suggest having a good look at the wiring diagram that @MuttonChops posted and make sure that yours matches. 
    San Francisco Bay Area
    2013 CS-S us@gi
    2015 Toyota Tacoma PreRunner Double Cab
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  • JWheelJWheel Member Posts: 3
    Thanks for your help. I have no light on the controller. I will check the fuse. I’ll let you know. 
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