Td5 defender relay buzzing

Hi I have just gone to start my 2007 td5 defender 90 and the battery was low as it has been stood for a while. So I jumped it off my lasses car and it started straight up ran for 5 Mins then cut out.i tried to jump it again and the relay under my seat started buzzing also the glow plug light and the head light light came on the dash very faintly the two back indicators are lit up permanently, does anyone have any ideas
Cheers rob

Sounds like the battery has gone duff or a connection very poor somewhere.Battery's do lose charge if left standing for months. Put it on charge from a mains charger.

Check the battery voltage. Fully charged should be 12.7. If 12v or less it will never start. If it was really discharged less than 10v when you jumped it, the alternator could have overloaded and fail. Alternators are not designed to recharge well discharged batteries.

Thanks but I have had the battery on charge all night av just put it back on and it’s doing the same relay buzzing and back indicators lit up

Did you check the voltage of the battery though? Or just charge and try?

No not yet but is turning the engine over fine

Pull the relay out and clean the terminals and see if it works then.

Scooby22 said:

Pull the relay out and clean the terminals and see if it works then.

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Av tried and a also tried swapping relays cheers

Robert1989 said:

Av tried and a also tried swapping relays cheers

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And av had the Earth straps off and cleaned them

v8landyman said:

Check the battery voltage. Fully charged should be 12.7. If 12v or less it will never start. If it was really discharged less than 10v when you jumped it, the alternator could have overloaded and fail. Alternators are not designed to recharge well discharged batteries.

Click to expand...

Cheers am going to pull the plug off the alternator and see what happens when I turn on the ignition

Robert1989 said:

Cheers am going to pull the plug off the alternator and see what happens when I turn on the ignition

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I have put a new battery on and disconnect the alternator but it’s still the same

Robert1989 said:

Av tried and a also tried swapping relays cheers

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Whoopeeee av sorted it the two small earth wires on the driver side of the transfer box was loose

Thought it would be a bad connection somewhere, good its sorted.

My Td5 did the same. Woke up one morning to all lights on after raining. Water had run down into the light relay. I would start with a new relay as they do go duff and stay in closed position.

Thanks but I found the fault it was the two small earth wires were loose on the drivers side of the transfer box

Thought this might be helpful:
Relay buzzing under seat

Auto electrician report:
Find:
Cranking but not starting
Engine and glow plugs light not on
Relays clicking
Lights sometimes come on

Low voltage to relays
? poor earth

New earth from battery to earth point

I've had no further problems since then