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Merc Cruzer 09-22-2022 04:24 PM

Cigar lighter fuse 1953 Mercury
 

6 Attachment(s)
My "cigar lighter" did not work, so I decided to take the time to look into it. I did a continuity test and it was an open circuit, when the lighter was pushed in. I took off the "cigar lighter fuse" and found that to be the issue. Since I had another one that tested good, I decided to take the old one apart, to see how it was constructed.

I did't fine an actual fuse, or for that mater, anything that would act like a fuse. Was this one just defective during construction, or was there an actual fuse inside at one time?

Bob C 09-22-2022 05:57 PM

Re: Cigar lighter fuse 1953 Mercury
 

Don't know where the fuse is located but the part number is FAA 14429-A Fuse
assembly (cigar lighter) Did a search and found this picture.
https://www.2040-parts.com/_content/...523289/001.jpg

rotorwrench 09-23-2022 09:55 AM

Re: Cigar lighter fuse 1953 Mercury
 

It looks like all that is left is a spring. Fuses can literally vaporize when they blow. The spring was likely there to insure contact of the fusible material between one side and the other. The spring is too large on the one end to even make contact. This is only my own opinion so I could be wrong, It wouldn't be the first time and likely wouldn't be the last either.

Merc Cruzer 09-23-2022 01:15 PM

Re: Cigar lighter fuse 1953 Mercury
 

The interesting thing is , there is no fuse rating on the housing, or it appears, even on a new one, in the original package. The fuse would be real tiny, to fit inside the housing, so I doubt that will be an option, to refurbish it. So much for reverse engineering.

rich b 09-23-2022 04:21 PM

Re: Cigar lighter fuse 1953 Mercury
 

The whole assy is the fuse; when it blows you replace it with another one. Like in the old days with screw in house fuses or cartridge fuses on electrical gear.

Merc Cruzer 09-23-2022 06:00 PM

Re: Cigar lighter fuse 1953 Mercury
 

Quote:

Originally Posted by rich b (Post 2168695)
The whole assy is the fuse; when it blows you replace it with another one. Like in the old days with screw in house fuses or cartridge fuses on electrical gear.

Agreed, and that is what I did, but I was trying to see how the "fuse" was constructed. As rotorwrench said in his post, it may have just vaporized.


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