Voltage

[4speedrunner]

Hello guys on my bj70 24volt landcruiser there are lights showing up (filter/battery/and diff lock)

i changed the regulator already and then it worked for awhile

now the lights show up again but i measured the voltage on the running car and it was 27volt

13.56 volt on each battery


what could it be?

thx in advanche

 

[coldtaco]

Generally when all the lights light up it means alternator, that’s on a 12V I would assume same for a 24V

 

[4speedrunner]

thought so, but the battery is showing 27volt, which should mean that the alternator is charging

 

[ATL Cruiser]

Check every ground point, starting with the little wire and big wire off the negative terminal, then on the back of the engine block. Make sure those are SUPER clean.

 

[Rigster]

THIS

Whenever nefarious electrical anomalous gremlins continue to lurk about, and the components check out, then I start hunting good grounds. Start with cleaning and re-securing the existing grounds, then if that does not clean things up, then I start adding a ground at various spots until it clears.... then you have found your bad spot. Good luck!

 

[coldtaco]

thought so, but the battery is showing 27volt, which should mean that the alternator is charging

I have no idea if alternators are like batteries in that you need both proper voltage and amps. Maybe the alternator is not putting out enough amps?

 

[4speedrunner]

So we drove 1 whole week with the car and the batterys are fully charged, that means the alternator is working, pre heat lamp also just show up for 1 second and the battery diff/lock and filter lamp is permanent on, i dont have a clue what it could be?

 

[Rigster]

Then it is definitely a ground issue. Peruse the electrical wiring diagram for your Land Cruiser model and see where the all ground points are and I would start there, checking and cleaning and inspect/repair as needed anything suspect or dodgey looking.