HKB alternator voltage booster on 2018 or newer

Has anyone here successfully installed an HKB alternator voltage booster on a 2018 or newer Tundra? If so, which one? And no, I'm really not interested in plugging my truck to a battery tender to maintain the AGM battery.

 

I'll be honest, been running a JC (rebranded for AA) AGM now for like 5 years on the OE charging strategy without issues.

 

I know that you stated for 2018 and newer, but I recently added the HKB diode fuse on my 1st Gen that has an AGM battery. My voltage meter is reading at 14.4-14.5v now with the engine running. It was reading under 14v previously.

 

I read they changed something in the ecu regarding charging voltage for 18+. Mine sits around 14.0, sometimes drops under 14 even while driving. I just ordered the gm alternative to try. My odyssey charges, but drops in a day or so to 12. If I test it, it says it’s good but needs to charge even if I just drove for over 30 min.

https://www.chitown4x4.com/agm-battery-voltage-upgrade.html

 

Yes, I can confirm the HKB boosters work on 2018+ Tundras. I have a thread about this here: https://www.tundras.com/threads/2019-tundra-alternator-charge-voltage-alt-s-circuit-existence.82323

 

Im looking into buying one for a 2017.

 

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