boot light does not work

[snatch97club]

hi i have skoda octavia tdi 51 reg boot light has never worked , fuse ok and changed bulb still does not work , any ideas

[mbames]

They are negatively switched, so have you checked you have a perm +12v to the light fitting?

That should indicate if there is a break in the wiring from the fuse box at the front.

[trundlenut]

Does the door open symbol on the dash light up when the boot is open?

[snatch97club]

no

[trundlenut]

I would suspect the microswitch in the lock.

If you unlock the car then open and close only the boot what happens? Does the car relock itself?

[snatch97club]

no

[trundlenut]

If you unlock the car and don't do anything does it relock?

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[Bowders1]

I would suspect the microswitch in the lock.

If you unlock the car then open and close only the boot what happens? Does the car relock itself?

I think it is also the boot microswitch.

As the boot light is not linked to the doors opening or interior light the opening of boot sets the light.

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[demonufo]

I'd start by looking at the microswitch. If that checks out okay, there is a connector down by the CD changer, slightly behind and below it which carries the power for this light (or maybe the switched earth, I never did bother checking which...). It is certainly not uncommon for that connector to be corroded and make a slightly bad contact. Mine used to flicker whenever disturbing the connector, until I gave it a severe going over with some deoxit DN5. I think it is the middle of the three connectors, and they are a right PITA to seperate, let alone get to without taking half the trim apart. Exhaust all other avenues before going down this route.