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audio power supply
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patricksbarbers
 


Member Since: 23 Apr 2022
Location: BRIDGEND
Posts: 5

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
audio power supply

i have a 2.7ltr Discovery 3 2006 HSE and have been having trouble with the power supply to my audio system, i have checked all fuses and discovered today that there is no power going to fuses 57 and 58 HELP PLEASE, where does the power feed come from??  
Post #228898223rd Apr 2022 6:29 pm
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1820

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Hi! Welcome! Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink  
Post #228899323rd Apr 2022 8:11 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10683

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Is the with the unit on ?

Or won’t it power on?  
Post #228900423rd Apr 2022 10:11 pm
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patricksbarbers
 


Member Since: 23 Apr 2022
Location: BRIDGEND
Posts: 5

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Morning, None of the audio system will power up , tested all fuses in under the dash and foud there was no power going to the fuses 57 & 58  
Post #228901224th Apr 2022 6:09 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10683

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

fuse 57 and 58 only power on, when the headunit is fully powered on.

fuse 53 powers the head unit.
Check the headunit has power on the thick purple/blue wire, at the headunit.
If it has power, its likely the head unit is faulty.

Pressing the volume knob in, should power the headunit up  
Post #228903024th Apr 2022 9:08 am
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patricksbarbers
 


Member Since: 23 Apr 2022
Location: BRIDGEND
Posts: 5

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

i have just checked and there is power going to the purple/blue wire at the rear of the head unit.  
Post #22898861st May 2022 2:02 pm
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