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hopefully it works for you now. i just got back from the dealer for an on going parasitic draw. dealer back in OR just started throwing parts at it, like a new battery and alternator and then wanted to replace ecm and that's when i took it back. months later and in MI my bronco will go to complete battery drain (1 volt). trickle charger w/ start mode and a jump pack (2000A peak) won't jump it, but a traditional jump will. so they gave me an f150 with 6 miles on it. go to turn out of the dealer and rapid blinker happens. look at rear passenger light and 2 bulbs are toasted. went back in and told them of the issue and they wanted to replace the bulbs. i told em nope i'll take another loaner. 2 bulbs in one light sounds like an electrical issue not a bulb issue. sorry ford, guess i'll go back to used reliable cars. when was that again?
- First Name
- Nathan
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- Rubicon JLU, Roush 2 Mustang, Triumph T-Bird
- Your Bronco Model
- Black Diamond
Sounds like you've already gotten the best advice from everyone so I won't pile on. I'd wager 90% of "low voltage" alerts in a new vehicle are continuity. Start with the negative cable, then push the fuses, etc.
- First Name
- Jay
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- Your Bronco Model
- Badlands
First day of my 2023 had a similar issue, raised the hood and found the negative battery cable sitting on top of the post of the battery and the nut missing.
installed a replacement nut and all good since.
