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EPB electrical failure.
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3
EPB electrical failure.

The fault I have says General Electrical Failure and the EBP does not work.

I’ve check out the 5amp fuse in the glove compartment and it’s fine but there does not appear to be any voltage at the fuse. Ignition off

I’ve checked out the 30 amp fuse in the engine bay and it’s fine. 12.5v one side but weirdly 2.5v on the other.

Anyone suggest where I go next?

Steve




 D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog  
Post #232995713th Mar 2023 12:40 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

So I can check the switch does anyone have a wiring diagram for it? D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog  
Post #232995813th Mar 2023 1:04 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4657

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Faulty hand brake switch, just replace it, otherwise you're likely to be going on a pointless wild goose chase. Common enough problem and cheap to remedy. If the problem persists change the brake light switch, and if still no joy it's then time to break out the MM.

Both switches should always be in your spare parts emergency arsenal!! Thumbs Up yµ (idµ - eAµ) ψ=mψ

  
Post #232997513th Mar 2023 3:51 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Thanks. It's now on Order. Steve D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog  
Post #232997713th Mar 2023 4:12 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10364

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I'd replace that big fuse under the bonnet, if it is really reading 2.5v  
Post #232998813th Mar 2023 7:14 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Thanks Pete.

I do think that it's odd. The voltage was taken from the blades that the big fuse plugs into. ie the fuse was removed when I took the 2 voltages.

I'll see what the new switch does and go from there.

S D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog  
Post #233001113th Mar 2023 9:04 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10364

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Oh I see. That would make more sense then.  
Post #233001613th Mar 2023 9:23 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

New switch. 5 min fix. No more errors and EPB working fine.

Thanks

S D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog  
Post #233022316th Mar 2023 10:31 am
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DJEwen
 


Member Since: 19 Apr 2017
Location: Cairn o’ Mount
Posts: 51

Scotland 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

PROFSR G wrote:
Both switches should always be in your spare parts emergency arsenal!! Thumbs Up


I don't mean to hijack a thread here but… what else should be in that arsenal? Asking for a friend Whistle 2005 Discovery 3 HSE Zambezi Silver 56,000mls  
Post #233029116th Mar 2023 8:33 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4657

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Err...An engine? Laughing

Apart from the two switches mentioned a decent quality diagnostic tool will be a Godsend when you need it! Thumbs Up yµ (idµ - eAµ) ψ=mψ

  
Post #233030216th Mar 2023 11:26 pm
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DJEwen
 


Member Since: 19 Apr 2017
Location: Cairn o’ Mount
Posts: 51

Scotland 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Aye, they’re handy things, engines!

Thanks. I’m looking at remortgaging my house and buying the Gap IID now. 2005 Discovery 3 HSE Zambezi Silver 56,000mls  
Post #233030416th Mar 2023 11:44 pm
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