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2004 Citroen C5 vtr Red charge light on dash.

Posted By citroendave 12/24/2008 3:08:10 PM
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citroendave
 Posted 12/24/2008 3:08:10 PM
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Red light on dashboard does not illuminate when key is turned on.Alternator is charging correctly:its just as if the bulb is blown but the instrument panel is a sealed unit so cant replace bulb.Been like it for about 3weeks and everything else is ok.Local citroen 'expert' has no idea! Anybody out there got any suggestions.Thanks.
Radnorman
 Posted 12/24/2008 3:27:10 PM
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citroendave (24/12/2008)
its just as if the bulb is blown

I doubt if it's a bulb. This is a 21st Century Model - I would expect it to be a LED. Controlled by the engine or body module ? What do I know about Citroens ? !!!!

I stand, to be corrected.

Speedy
 Posted 12/24/2008 6:15:14 PM
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I`ve got a dash out of a C5 at work am sure it had some bulb holders on the back ...................but i could be mistaken
Radnorman
 Posted 12/26/2008 5:52:00 AM
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Radnorman (24/12/2008)
This is a 21st Century Model 

Oooops.... I was thinking C4 !!!  When did the C5 appear ?   2000/2001 ?  I might not be mistaken !

I suspect the bulbs are the general background illumination for the cluster.

I stand, to be corrected.

Angus
 Posted 12/26/2008 1:04:33 PM
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Citroendave

Welcome to the Forum.

Full details please. 

Engine size, fuel and code?   

Hatch or estate; manual or auto?  

Is this a Mk1 or MkII C5 - 2004 is the facelift/change year?

.

toddy
 Posted 12/27/2008 9:33:46 AM
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dave, have you got any eqt to do a full instrument actuation test??...are all the wires at alternator intact?
citroendave
 Posted 12/27/2008 12:11:11 PM
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Hi,thanks for your interest.Sept 2004 2litre HDI 8valve VTR hatchback auto old style.
citroendave
 Posted 12/27/2008 12:17:53 PM
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Hi,all wires appear intact.Local garage says alternator charging correctly.(battery not going flat).Everything ok except red light never comes on now.I have no equipment other than digital voltmeter.Its just as if the red bulb/led has blown.Thanks for your interest.
Angus
 Posted 12/27/2008 12:34:11 PM
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CD

The IND circuit from the alternator passes through the engine-bay fuse box [water ingress?] to the BSI.

The dash light is a slave function of the BSI and the "illuminate" signal is passed through the VAN to the instrument pack.

The furthest that you can go without scanning equipment is to check wire 104 entering the BSI on terminal 11 is an earth with the engine off and a live with it running.

Frankly; a scan of first the BSI and then the instrument pod is by far the best way to proceed.  If the warning light status is showing as "on" - but it isn't, then a pod fault is indicated.

Only if the BSI isn't receiving the alternator signal should you start investigating manually; it's quite easy to make things a lot worse.

.


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