Vw crafter number plate light had blown a globe. went to pull blown globe out with lights on but accidently touched circuit and now side, number plate and front and rear luton lights don't work.

Make sure the globe you changed was the same wattage and I would disconnect the boot light you fitted. If the other lights now work, I would suggest that the boot light you added was wired incorrectly causing a short. recheck all the fuses. Sometimes they look OK but have blown inside. Confirm with a known good fuse or use a multimeter. The boot light should have a positive from one of the lighting circuits, through the boot light switch, to the globe holder and the other side of the globe holder should be to negative (The car body)

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As Glenn said, it could just be globes. Strange though how both front and rear have gone out at the same time? Could possibly be a bad connection or broken wire. I doubt if its a fuse. The fuse will protect the entire lighting system. If it blew, then none of the lights would work. try new globes first. If you have a close look at the ones you pull out, you can see the filament which sits across some holders inside the globe, if its flapping around and dangling and one end is free, you know the globe has blown.

Look in the forums at http://www.thesamba.com/vw/

Yellow Often means Caution maybe it telling you that you need a oil change shortly . Or your oil level is at the point were it needs more oil.

Sounds like you have a blown brake light globe. Often the brake light circuit electrical resistance is monitored and will have detected a blown globe (bulb) Have someone put their foot on the brake pedal and make sure all the brake lights are working. If not replace the faulty globe or repair the fault. Blown brake light globes on a few modern vehicles can cause many engine running faults which seem unrelated to the brake lights.

The tail and marker lights and Instrument lights are on the same circuit so both will go out if the fuse for this circuit blows. If fuse continues to fail, check the tail light or marker globes, including the globes for the number plate, for a globe that may have an internal short causing the fault and replace as necessary. As you have already checked the wiring near the light fittings for any chafed wires that could be shorting to the body causing the fault, then a closer inspection of the wires inside all the light assemblies for any shorts may be needed.

It could also be that the instrument dimmer control has failed and is causing the fault. The electronic bits inside the dimmer control for these lights sometimes go faulty. Try disconnecting the connecting plug on the rear of the dimmer control and checking if fuse still blows. If fuse continues to fail, then the fault in the tail and marker lights circuit.

Remove all the tail, number plate and running light globes from the light assemblies and leave the instrument dimmer control disconnected and check if fuse still blows.

Disconnect the plug near each of the light assemblies to see if any of the individual assemblies is causing the fault. With all light assemblies disconnected and fuse continues to fail, then the fault must be in the main wiring loom some where.

If you have a Multimeter, it could be used to determine which light assembly has a fault between the lamp supply and earth connection.

The Tail lights and Instrument lights are usually on the same circuit so both will go out if the fuse for the circuit blows. Check for a blown fuse for this circuit and replace if out. If fuse continues to fail, check the tail light or side globes for a faulty globe and replace if necessary. Also check for any chafed wires that could be shorting to the body causing the fuse to blow.

The dim ones are the parklights..........just a few questions first before diagnosing......when you put the switch to dim...you have no lights on ???? is the back lights on, number plate lights ??????..if not, could be the fuse blown for that cicuit......or get this....2 x blown globes...i have had this before......both globes dont work, and i diagnose for 2 hours, and find that I have both globes blown....because 1 globe does 2 circuits, the bright ones could work, but the parklights fail.......

the light is located on the sides of the number plate,if you look to the sides of the reg plate you will see plastic covering the light you can remove it by opening trunk to see how to remove the cover on the back to get to the globe,its common for them to not work after time just need to replace the globes