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PLC2 Ignition Switch
#4
If the ignition is not working on your PLC2 switch is not working, but lights are, then there is a
good chance that the metal part around the ignition switch has worn and the contacts on the bottom
of the switch are not making good contact.
The easiest way to check this is to switch on the ignition and press the key firmly into the key socket.
Chances are the ignition will work, but when you let go of the key it all stops or is intermittent.

Now there are three ways (I have found) fix this:
1. fit another switch between 'IG' and 'A' on the PLC2. I already had a second switch fitted when I bought
the car.

2. take the switch apart, push the metal barrel out (using a drift or drill) so it cannot move forward out of 
the switch.
Yes this works, but it is not an easy job and you will add lots of Pounds to your swear box.

3. as per pictures, find a washer that covers the barrel of the switch, but still lets the key go into
the switch.
clean both the top of the switch and the washer, preferably with emery paper so you have good clean
surfaces.
For my switch I used Superglue GEL which is slightly easier to use than normal superglue.
Caution: do not put too much glue onto the switch, otherwise you will glue the barrel as well as the washer.

Glue and press-hold the washer onto the top of the switch until the glue has dried. You will need to press
 the washer into place against the switch internal spring. Good chance you will also glue your finger to the top
 of the washer !.

When the glue has dried, try the key and hopefully you will now have a working ignition.

For info, I have had a PLC2 switch apart (the one in the picture). Not an easy fix but using this switch as my 'standby'.
I could not be bothered to remove the switch on my tourer, hence using the washer method.
So far it is working well, but do have an old Mini switch wired across incase the PLC fails.

Martin, GM6VXB


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Messages In This Thread
PLC2 Ignition Switch - by airarms64 - 12-06-2024, 09:05 AM
RE: PLC2 Ignition Switch - by GM6VXB - 12-06-2024, 09:53 AM
RE: PLC2 Ignition Switch - by Tony Griffiths - 12-06-2024, 10:10 AM
RE: PLC2 Ignition Switch - by GM6VXB - 12-06-2024, 10:59 AM
RE: PLC2 Ignition Switch - by airarms64 - 12-06-2024, 06:35 PM
RE: PLC2 Ignition Switch - by Colin Morgan - 13-06-2024, 06:24 PM

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