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its underneath the car plugged into the gearbox at the side of the nearside drive shaft. mine is blue
The reversing light switch on a Renault laguna is in much the same as on many other cars. Basically it links to the gearbox or the gear lever, so that when the gear lever is at the reverse position it engages the switch. On the laguna it is on the gearbox near to the left hand end (from the drivers view). You must remove the left front wheel to see it more clearly and possibly the plastic under-engine plastic shield. The switch is normally open, and shorts out when you engage reverse, so you can test it with an ohm meter.
On the gearbox.
this is normally on the gearbox
on top of the gearbox under the clutch lever
There is a backup switch in the gearbox. When you shift into reverse, the gear box switch contacts the switch and lights the white reverse lights. If you find that the reverse lights don't work it could be that the switch is not being triggered by the mechanism inside the gearbox. This is providing that everything else is working; wiring,bulbs,etc.
you can easily locate it on top of the Gearbox Housing...
The reverse light sensor switch on the gearbox needs replacing. The switch is normally located on top of the gearbox & around the middle of underneath the air intake box.
nissan micra 2006. how to change a reverse switch?
reverse light sensor
Could be switch on gearbox, wiring or bulb.
It is important to know the location of the different car parts. The Reverse Gear Light Switch is located on top of the gearbox in most cars.