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qhumberd
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qhumberd
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DC/DC question
cottonmouth
Member Posts: 109
I looked through several previous projects and have a question. I recently replaced my original agm’s with a LiTime 230. I’ve decided to add a victron 18 amp charger using the 7-pin connector. I saw a couple of different options here. One simply took the incoming 10ga wire from the7-pin where it connects to the power converter for the +input and then a a wire from the +output to the PC. They ran a wire from the -input/output to the bus bar ground and were done.
The other method was similar, but used the white10ga ground from the 7-pin to the -input and ran a new wire from the -output. They also mentioned a need to run a new wire for the electric brakes, but I wasn’t following the need for that when I looked at the schematic.
2021 T@B 400 BDL aka Little Joe
2019 Tundra Crewmax aka Hoss
SE Louisiana
2019 Tundra Crewmax aka Hoss
SE Louisiana
Comments
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Can you post a link to the schematic?Don Montalvo | Retired Veteran | Full time boondocker
Camper: nuCamp T@B 320S BBC | 12V 2x100Ah LiFePO4 | 600W Solar
Tow Vehicle: Jeep JLU Rubicon | 12V 100Ah LiFePO4 | 200W Solar
https://revkit.com/donmontalvo/ | https://donmontalvo.com -
I couldn’t figure out how to link to the thread. The title is “Victron dc-dc charger” from April 2023. There are only 10 or so comments in the thread.2021 T@B 400 BDL aka Little Joe
2019 Tundra Crewmax aka Hoss
SE Louisiana -
@donmontalvo, this is the discussion referenced by @cottonmouth:
https://tab-rv.vanillacommunity.com/discussion/17053/victron-dc-dc-charger2019 T@B 320 S Boondock Lite; 2025 Toyota Tundra CrewMax 4x4
(Alde: 3020; Refrig: Isotherm Cruise 65 Eleg; Battery: BB 100Ah LiFePO4; Solar: Renogy 220W Portable Suitcase w/ Victron SmartSolar MPPT 75/15 Controller; Victron BMV-712 Battery Monitor w/ Shunt; Pwr Cntr: PD-4135KW2B; EMS: PI-HW30C)
Greg & Marlene (Tucson, AZ) -
Here’s the link to the other method that Dutch061 describes:
https://tab-rv.vanillacommunity.com/discussion/14772/400-dc-dc-mods
2021 T@B 400 BDL aka Little Joe
2019 Tundra Crewmax aka Hoss
SE Louisiana
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