What fuse do i change for the cigar lighter in a 1994 bmw 316i?

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Fuse box diagram (location and assignment of electrical fuses and relays) for BMW 3-Series E46 (316i, 318i, 318d, 320i, 320d, 323i, 325i, 328i, 330i, ...

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  Fuse Box Diagram BMW 3-Series (F30/F31/F34; 2012-2018)

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  Fuse box diagram (location and assignment of electrical fuses and relays) for BMW 3-Series (F30/F31/F34) (316i, 318i, 320i, 328i, 330i, 335i, 340i, 316d, ...

No , can't be the relay , by looking at a wiring diagram the power outlet has different supply voltage . Fuse 1 25 amp is for power outlet an cigar lighter use's fuse # 2 25 amp. Free wiring diagrams here http://www.bbbind.com/free-tsb/ Enter vehicle info. year , make , model an engine size. Under system click on interior & driver amenity, then under subsystem click on cigar lighter . Click the search button , then the blue link. Looking at the diagram you will see they have different fuse's. Something up stream from there is blown . Need to look at electrical distribution diagrams. Go back to system an click on electrical distribution then under subsystem click on power distribution . Click the search button then the blue link. Scroll down to the # 6 diagram . You will see fuse # 4 50 amp location is under hood fuse box . Check that fuse .

Can you read the diagram? I haven't looked at your owners manual fuse boxes to see if you have cigar relay? Either way should work, In the diagram, the orange wire is voltage, black wire is ground for both the cigar lighter and/or auxiliary power outlet. Note the fuses.

According to the diagram I just looked up it should be in the engine compartment fuse box position F3 and it is a 15Amp fuse. (F3) I think that means the one you are looking for is third from the top on the left hand side but I can't be sure without pictures or seeing it personally. If you want to take a pictures of the compartment fuse box interior and attach it to this post I could help more.

Pull the lid of your fuse box and the diagram is in the top side of lid

I suggest check the position 17, 20AMP for Cigar Lighter (page 277 and next for FUSES)...



This and other details can find it in your Mercury Tracer Owners Manual.

Hope this help (remember rated this post).

Take wires out of cigaret lighter , then replace fuse , if fuse stays ok without cigaret lighter connected then something shortning lighter inside.

have you try a new lighter?

You need to replace the "CIGAR" mini-fuse in the min-fuse cluster found in the trunk. There is a diagram on the inside of the fuse-cluster cover but I believe it is the second 20A yellow fuse from the left in the middle row. Fuse replacing tool and extra fuses should be found in a compartment on the inside of your glove compartment door. Word.