No electrical power

I’ve just realised that was gobbledegook I’d written ((aka crap) amended to say continuity over the leads!
 
Are main fuses expensive?

I’m surprised the battery charger is still functioning if it’s popped a 250 amp fuse?
 
Red Panda said:
Thanks for the info. No you have understood exactly. No power anywhere. Very hard to access the battery area also - as the boot is locked as a bonus. Battery is at 13v. I've checked the fuses by the DME relay by the ECU - all good. The battery junction box fuse (the one which is part of the battery terminal connector?) I was thinking must be good as I'm getting 12v when I connect the battery under the bonnet?
Click to expand...

If your boot is still closed & you have no access inside it, are the battery terminals still joined together? :?
Rob
 
ronk said:
Are main fuses expensive?

I’m surprised the battery charger is still functioning if it’s popped a 250 amp fuse?
Click to expand...
I don't think so, maybe £ 50?
Charging/testing from the bonnet terminals would work because it's a big fat lead that just goes straight to the battery (and alternator I think).
 
I would try and borrow a battery - even if it has to be connected to the existing leads with jump cables.
 
Smartbear said:
Red Panda said:
Thanks for the info. No you have understood exactly. No power anywhere. Very hard to access the battery area also - as the boot is locked as a bonus. Battery is at 13v. I've checked the fuses by the DME relay by the ECU - all good. The battery junction box fuse (the one which is part of the battery terminal connector?) I was thinking must be good as I'm getting 12v when I connect the battery under the bonnet?
Click to expand...

If your boot is still closed & you have no access inside it, are the battery terminals still joined together? :?
Rob
Click to expand...


You have hit the nail on the head Smartbear - now I am in the boot, thanks to Ronk, I can see the 250amp connection is separate. Now connected, all is good. Feel a bit of a dummy, but this forum solved my wayward direction - many thanks.
 
Red Panda said:
You have hit the nail on the head Smartbear - now I am in the boot, thanks to Ronk, I can see the 250amp connection is separate. Now connected, all is good. Feel a bit of a dummy, but this forum solved my wayward direction - many thanks.
Click to expand...

That's great news. :thumbsup:

If it ever happens again stick lump of wood or similar under the bootlid to stop it latching, or use the keyhole in the bottom of the release!

I learnt the hard way with an E46 Compact. :lol:
 
Just a thought Red Panda, you weren’t in the Lebanon the last couple of days by any chance?

I know they are saying they ran out of fuel, but............

https://news.sky.com/story/lebanon-total-power-outage-as-electricity-grid-shuts-down-after-running-out-of-fuel-reports-12429825
 
Battery safety terminal has been activated as the cars electrical system gave out a fault signal when you crossed the leads? Check it out , either it will have blown off the battery or just separated the male female connector inside the plastic housing.
Nothing works other than lights and radio or a similar mix
Had the same problem on mine, positive battery terminal not tightened after I reconnected it after winter, going fast over a bumpy road , all the lights came on on the dash it beeped twice then carried on as normal, checked it out Terminal connector of the battery intermittently caused a electrical volt change, bumpy road computer thinks accident !
Next day nothing no life except radio and lights, re charged battery, all the same, bump started it, drove it for 10 minutes and it overheated no fan!
Checked everything again and the found out about the BST!! Battery safety terminal, checked it out and it’s gone off 👍🏻
 
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