Disco 2 No headlights but mainbeam and sides

Matt2e0fgx · May 4, 2021

On my 2004 td5 I have lost dipped headlamps but working sidelights and main beam and flash. With the ignition on a lights switched on there is no power at either of the fuses under the steering column .

studying the schematic I see in the engine fuses box , fuseable link 10 feeds the stalk for the headlamps which is also not blown but there is voltage there. Can anyone tell me what colour wire am I looking for that feeds the stalk and what pin on the plug please by the stalk ?

Thanks

Andy Warren · May 5, 2021

Matt2e0fgx said:
On my 2004 td5 I have lost dipped headlamps but working sidelights and main beam and flash. With the ignition on a lights switched on there is no power at either of the fuses under the steering column .

studying the schematic I see in the engine fuses box , fuseable link 10 feeds the stalk for the headlamps which is also not blown but there is voltage there. Can anyone tell me what colour wire am I looking for that feeds the stalk and what pin on the plug please by the stalk ?

Thanks

Hi, here's a link to the D2 electrical library if it helps.

Matt2e0fgx · May 5, 2021

Andy Warren said:
Hi, here's a link to the D2 electrical library if it helps.

cheers Andy I've found I got power to the switch on the multiplug and out when switched on but the fuses on the fusebox under the column has no power . Found the same colour wire as the out from the switch on the rear of the board, there is no continuity there . I'm guessing there is only wire which is blue with a red trace to the rear of the board ?

Andy Warren · May 5, 2021

Matt2e0fgx said:
cheers Andy I've found I got power to the switch on the multiplug and out when switched on but the fuses on the fusebox under the column has no power . Found the same colour wire as the out from the switch on the rear of the board, there is no continuity there . I'm guessing there is only wire which is blue with a red trace to the rear of the board ?

No problem, I'm not to hot on electrics but it does sound like there's a break on that wire somewhere if there's power in & out of the switch. Can you run a bypass just to confirm ?

Matt2e0fgx · May 5, 2021

Andy Warren said:
No problem, I'm not to hot on electrics but it does sound like there's a break on that wire somewhere if there's power in & out of the switch. Can you run a bypass just to confirm ?

I could feed the back of the board end of plug with the power probe .

sierrafery · May 5, 2021

If all the fuses are OK then IMO the fusebox is FUBAR which is not uncommon but even if i'm wrong it must be ruled out before chasing wiring issues

Andy Warren · May 5, 2021

Matt2e0fgx said:
I could feed the back of the board end of plug with the power probe .

I would run an external wire from header C0041 pin 2 to pin 4 on header C0584, as long as that's the blue wire with a red trace, (high beam comes out on the blue with white trace).

Andy Warren · May 5, 2021

sierrafery said:
If all the fuses are KK then IMO the fusebox is FUBAR which is not uncommon but even if i'm wrong it must be ruled out before chasing wiring issues

Hi, I'm glad you came along

. I thought there might be more to this than meets the eye !

Matt2e0fgx · May 5, 2021

sierrafery said:
If all the fuses are OK then IMO the fusebox is FUBAR which is not uncommon but even if i'm wrong it must be ruled out before chasing wiring issues

but there is no continuity from the multiplug from the stalk ( blue with red trace ) to a plug to the rear of the fuseboard with the plug not plugged in ruling out the fuseboard surley ?

sierrafery · May 5, 2021

Matt2e0fgx said:
but there is no continuity from the multiplug from the stalk ( blue with red trace ) to a plug to the rear of the fuseboard with the plug not plugged in ruling out the fuseboard surley ?

Sorry, i might have missed this info, if it's so you have the answer, improvise a bypass wire on that circuit from fusebx to the stalk then to make sure thats the issue

Matt2e0fgx · May 5, 2021

Il give a go with a power probe first , is there any connection plugs between the stalk and the fuseboard do you know ?

The loom looks a right pain to get at at the rear of the dash cavity !

sierrafery · May 5, 2021

Matt2e0fgx said:
Il give a go with a power probe first , is there any connection plugs between the stalk and the fuseboard do you know ?

No, that's hardwired

Andy Warren · May 5, 2021

Matt2e0fgx said:
Il give a go with a power probe first , is there any connection plugs between the stalk and the fuseboard do you know ?

The loom looks a right pain to get at at the rear of the dash cavity !

I'm sorry I don't but if anyone does it'll be SF. Your right about the wiring being a bit tight to work with.

Matt2e0fgx · May 5, 2021

Andy Warren said:
I'm sorry I don't but if anyone does it'll be SF. Your right about the wiring being a bit tight to work with.

Thank you !

Disco 2 No headlights but mainbeam and sides

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