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Old 12-11-15, 06:56 AM   #1
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Default 406 HDi Rapier Electrical Mayhem

hi,

I have a heater blower not working, the central locking had a mind of its own and now does not work, the headlights come on when the car starts, the radio will not work but was last week, one indicator flashes quicker when the brake pedal is pushed and the indicator and brake lights flash alternately when the indicator is on.

I believe the loom in the door is fine and no fuses are blown.

Could the ignition barrel/switch cause this? If so can i test it?

It started with the indicator flashing faster, then the following week the central locking going funny and heater not working, then the headlights coming on and now the radio has stopped.

If I wiggle the key in the ignition it effects nothing and lights switch functions normally when the car on except when in the off position, they do not go off.

thanks

barry

Last edited by barrymurphy; 12-11-15 at 07:09 AM.
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Old 12-11-15, 08:02 AM   #2
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Tail light problems are a bad earth at the taillight common issue on all french cars !

Other issues could also be earth related check the earths under the carpet drivers side sill/a pillar area.

Unlikely to be the switch

Does the car leak as the BSI is under dash drivers side and i have seen a few get wet causing strange issues.
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Old 12-11-15, 10:02 AM   #3
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thanks i have seen that issue raised.

The carpet on the drivers side is not wet but the earth could still be damaged so lift it anyway?

I already pulled back the carpet in the boot and the earth looks in great condition. zero rust.

Could it be anything else?
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Old 12-11-15, 10:14 AM   #4
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On my 2002 BMW 525d, I had a CHRISTINE event similar to yours.
Driving along, indicator started flashing by itself, radio went off then on and wouldn't turn off.
Stopped at destination, turned off ignition and removed key; engine continued running (with indicator flashing and radio playing).
Ended up disconnecting the battery to stop everything going mental.
This was a known fault on this car though, and it was indeed the ignition barrel.
Took dealers 20 minutes to replace for pennies. Never had any problems after that.
Don't know if it is a known fault (or even the same problem) with Pugs.
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Old 12-11-15, 03:59 PM   #5
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The bad earth on the taillights is not at the body end its the plug where the main loom connects to the light holder in the taillight i just add an extra earth wire to them had to do a clio today with both sides not working correctly and back wiper coming on when you braked
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Old 12-11-15, 06:57 PM   #6
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Also - if you have a saloon car, the rear light can let water in over time - this seeps into the nearside aperture where there is a blue connector for the multichanger. If this gets wet then electrical shenanigans will happen...
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Old 22-11-15, 12:54 PM   #7
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HI thanks.

The rear tail lights were letting in water and I did see a plug hanging there. Is this for a cd multichanger?

I added an earth wire to the rear left and someone had already done so on the
right. Now the indicator and brake are behaving normally. I have created a separate post re the heater as I have made some progress there and it seems unrelated.

The headlights still sometimes come on when the car starts. Does the 110 HDi Rapier have auto lights?

What should I do with that multi changer plug if wet, which I am sure it is.

thanks barry
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Old 22-11-15, 02:59 PM   #8
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Just dry it out, and maybe tie it up out of the way..
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Old 23-11-15, 08:11 AM   #9
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thanks for the advice
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