PhilPickles

A3 multiple bulbs out

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All of a sudden cant unlock the rear boot with key, reversing light out, rear fog light out and numberplate light out - any suggestions please ... earth fault ? Ive seen this question before but no answer, any help would be amazing ( manual and fuse locations do not help or identify the correct fuse....checked all fuses and all seem to be okay )

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If all the faults are at the rear of the car perhaps there is a damaged earth wire in the boot.

Although the fuses are fine have you checked the relay for the boot lock?

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Hello Phil,

With all these electrical issues associated with the boot area, my first port of call would be examine the harness in the flexible section that runs from the body into the tailgate. This tends to get a hammering due to regular opening and closing of the boot, which leads to some of the cables actually snapping. 

Kind regards,

Gareth. 

p.s. If you suspect you have earth issues then just run a temporary lead from a good earth point in the luggage compartment to a similar good earthing point on the tailgate. 

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