For this install it assumes that you already have the door warning/safety lights installed and running, however if you don't you'll need to add a couple of repair wires and include the VCDS option to add safety lights as per DIY for the door safety lights. In this case you won't need the switch - just the 2-pin connector so you can detach the lights to take the door trim off.
I'll have to take some more photos and post them later as I didn't take photos during the install.
Here's the bits that you'll need:
1 x set of laser lights:
DPDT switch: Part# SK0966
2 pin connector: Part# PP2062
2 x 30cm of black/red auto wire: Part# WH3080 / Part# WH3082
Crimp spade connectors: Part# TH1848
I had some left over wire lying around left over from a previous job (RVC install) that I used for this one as well as some female spade connectors so I just bought the switches and 2-pin connectors.
OK once you've got all your bits together now you're ready to start the installation.
Step 1:
Remove door trims and drill a hole for the laser light using the cutter provided. You'll need to check the inside of the door to ensure where you're cutting the hole that the laser light will fit. Also (from experience) it's best if you place the hole towards the outer edge of the door. This way when the light is on the outer edge of the door won't cut off the laser light image. You'll need to clean up the hole with a knife/sharp edge and then install the laser light.
Step 2:
Drill a 19mm hole through the back of the door pocket. Clean up the edge of the hole and install the switch.
Step 3:
Next take some wire cutters and cut the safety light wire coming from the door control module to the safety light. Make sure the safety light is not on when you do this otherwise you'll likely short out the wire when you cut it. Cut this about half-way between the door controller and the safety light. Connect one side of the 2 pin plug to the wires attached to the door control module. Connect the other side of the 2-pin plug to the 2 x 30cm "spare" auto wires. I suggest soldering these wires as well as crimping them. Make sure the red matches up with the red and black with black on the connector (it will still work, however could make things confusing).
The 2-pin connector is a bit of a nicety but will allow you to disconnect the wiring if/when you need to take your door trims off in the future.
Step 4:
Now take the red +12V 30cm wire from the 2 pin plug and solder/crimp a female spade connector on it. Connect this spade connector to the centre connector on one side of the switch.
Step 5:
Now connect female spade connectors to the both red +12V wires from the two lights (safety light and laser light). Plug one on the bottom and one on the top of the side of the switch with the +12V connection.
Step 6:
Connect all the black 0V wires together. I suggest soldering them all together into another spade connector and attaching it to the other side of the switch. This is just a good spot to put it - you could just as easily connect them all together and cover with electrical tape.
Step 7:
Test before putting the door back together and trims on. You may need/want to adjust the direction/orientation of the image before clipping the door back together.
You should now have a fully functional/switchable safety/laser light set - enjoy
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