406 D8 SV instrument cluster - some dials not working
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Thread: 406 D8 SV instrument cluster - some dials not working

  1. #1
    Fellow Frogger! Dijon16's Avatar
    Join Date
    Jan 2005

    Default 406 D8 SV instrument cluster - some dials not working

    A problem has occurred to the 406 D8 SV instrument cluster. It happened after the car was idle for 2 weeks, sitting in Sydney sun and rain. Was intermittent at first, now full-time.

    The dash warning lights and illumination all work. With the ignition on, engine going or driving, the two big dials, tacho and speedo, are dead. The LH small dial, oil level, and the middle small dial, fuel level, needles go all the way to the right – and stay there.

    The only working small dial is the water temp on the RHS.


    I googled it a bit and searched here, the only real thing to show up is “bitron”, but I figured that it would either work, or not work, and would affect all dials equally.

    Only conclusion is that sustained heat and humidity had affected whatever is causing this. All thoughts / suggestions appreciated, as I have nfi, and am hopeless at electrics – could not even wire a 3-pin plug.

  2. #2
    Contented Peugeot Driver addo's Avatar
    Join Date
    Jun 2005
    Don't remind me!


    As the gauges deflect, I am surmising an oxidised ground connection, possibly under the carpet.

  3. #3
    Demannu-facturing! Demannu's Avatar
    Join Date
    Dec 2002
    Menzies Creek


    D8 406s in particular are notorious for getting dry joints in the board behind the instrument cluster. Re-touching each joint with a soldering iron and some fresh solder usually sorts them out.
    pugnut1 likes this.

    Melbourne - Dandenong Ranges

    1956 Peugeot 403 - 'Francois' - resto project

    1969 Peugeot 504 - 'Pascal' - daily driver project

    1970 Peugeot 404 Utility - 'Brutus' - resto project

    1978 Peugeot 604 - as yet unnamed - V6 on straight LPG

    1987 Peugeot 505 - as yet unnamed - project car

    1999 Peugeot 406 Coupé - 'Chloe' - 5 speed manual

    2011 Peugeot 3008 XTE HDi - 'Zoe' - hatchback on steroids

    2014 Peugeot RCZ - 'Remy'

    1999 Range Rover 4.6 HSE - 'Grover' - tow car

  4. #4
    Join Date
    Nov 2003


    Had success with this approach on a D8. The instrument panel is all run from the same microprocessor. I re soldered all the pads on the pcb. Everything came back. Be aware its surface mount components. If you don't have the tools, or skill, get somebody else to do it. Should charge you at the most for a half hour. If can't get somebody, send me a PM.


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