Headlights cutting car out

[Brendan91]

Hi all I was driving along the other day & ran out of petrol when my mate got to me with fuel I had to bump start the car so got home & charged it a bit off his car. Went for more fuel & when I went to set off with the headlights on the engine was cutting out & there was 0 power. If I flick the lights on whilst driving all power goes and the engine dies. Got battery tested and it was ok what could my problem be?

Thanks for reading
All the best Brendan

[coupe77]

Sounds like the alternator is not charging correct
I would get it checked


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[Brendan91]

How do I go about checking the alternator?

[Brendan91]

All other electricals are working fine. Fuel gauge is not functioning though.

[coupe77]

Put a volt meter across the battery with engine on put headlights on heaters and heated rear window you should see 14-14,5volts


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[Brendan91]

Popped into the garage on way home from work he put volt meter on & said alternator was fine & the battery was tested yesterday. Google says the earth point so that will be next port of call.

[Brendan91]

Problem solved One of the earth wires from the speakers in the parcel shelf was loose thanks for replying so swiftly