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Headlight plug/socket advice

A993LAD

Imola
Joined
20 Mar 2007
Messages
785
Hi folks, I'm still trying to fix my headlight because it failed the MOT with no light working on the right hand driver side.

So headlight doesn't work on either dipped or beam.

I have checked the fuses and they are fine.

I have also pulled the headlight out and I am getting power to the socket inside the wing that the headlight plugs into .

So when I switch the headlights on and switch between dip then beam I get 12 volts on my test meter in the same connections in the socket as I do on the left hand side where the headlight works fine.

Which then suggests that either the contacts between the headlight plug and the socket in the wing aren't working or the plug is not locating correctly. I have cleaned the connections with contact cleaner on both the plug and the socket and I've located the headlights several times and it seems to ease into the socket correctly but obviously can't see it to be sure.

The socket in the wing moves around a lot in its holder but the sockets on both sides do that and I always assumed it was to help it locate correctly by having freedom of movement?

It's certainly feels like the headlight is locating correctly.

Does anyone know how to remove the socket in the wing from its holder because it would be useful if I could pull it out the front of the wing and plug it into the headlight plug manually to check all the connections.

Photos of the front and rear of the socket in the wing are attached. Like I say this socket moves around very freely in this holder but I can't work out how to remove it and I don't want to damage it or break the holder.
 

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It is possible to partly dismantle the wheel arch plastic cover and look in from there if the connector seats properly. This connector gets very brittle and breaks very easily if you force the headlight onto a misaligned connector. It is removed from the bracket by lifting and turning it.

If the connector is broken and dislodged from the bracket, it is possible to pull the wiring/air hose a bit and insert it by hand into the headlight bucket counterpart, and then push the headlight bucket into the wing. Some cars have shorter wiring than others, and makes it difficult to reach with the headlight sufficiently inserted.

It is a bit fiddly to change this connector. I buy the connector housing from Porsche and extract the wires from the original and insert them to the new, one by one. You need to move/depress the red tab to unlock the pins, and then use a pin extract tool to bend in/unlock the catches.

Cheers,
Tore
 
Brilliant advice as always thanks Tore.

Having followed your instructions I was able to remove the socket from the inner wing bracket and pull it forward allowing me to manually plug it into the headlight.

I then tested the light and everything worked perfectly so clearly the headlight wasn't fully engaging with the socket when pushed back into the wing.

The socket from the wing didn't push into the headlight very smoothly because the ribbed grommet, that I guess seals out any moisture, was quite dry. So I sprayed a small amount of WD-40 on it as a lubricant and it then plugged in much more easily.

Anyway having lubricated it I then replaced the socket into holding bracket in the wing and refitted the headlight which now works perfectly when installed in the car.

Hopefully my car will pass its MOT when I take it back for a 4:00 p.m. retest later today.
 

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