Cig Lighter Socket Shorted

[Rodder18]

I dont know how, but after two fuses I pulled lighter socket… anyone see this before? There is no damage visible on socket!

[Rodder18]

Due to overwhelming response… and possibly of someone else finding this issue… here is the result.

apparently BMW cig lighters use a low heat insulator on backside of the pin housing. If overheated, to prevent thermal runoff from lighter, the insulator will melt. It’s slight when it occures. There is a small tab that will then short to ground and pop the fuse. See photo for example.

B happy. The “MW” is for expletive.

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