Toyota 42-5FG18:
BATTERY LIGHT illuminated on Dash

Having trouble figuring out what is causing the battery light on the dash to illuminate. Battery holds a good charge of 12.6v. Alternator is charging at 14.1v. Haven't found any broken wires along the harness. But harness runs off alternator and spiders out into and air intake sensor, then up into the overhead gard and I'm assuming back down the other side. Please advise.
  • Posted 2 Jul 2024 02:01
  • Discussion started by Damian_Smith
  • Arizona, United States
Damian Smith
Showing items 1 - 1 of 1 results.
It is possible the regulator inside the alt has a bad bridge rectifier that would keep the bat tery light on and still charge the truck
  • Posted 2 Jul 2024 11:13
  • Reply by Scott_
  • Pennsylvania, United States
Scott

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