"Piggy Back" Fuse available for Glass Fuse?

I would like to know if a company manufactures (or anyone clever has fabricated) a way to piggyback onto an old style glass fuse? I just want to tap into the instrument/dash panel illumination so that my aftermarket oil pressure gauge can be read after dark. I just don't like splicing into factory wiring harness if I don't have to. It would be cool if I could just clip something over one end of the dash light fuse that is there in the fuse block. Thank you.

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If you are not using the factory radio, I use the orange connector/wire from the radio for my aftermarket gauge lights... That way they brighten and dim with the dash lights...

The orange wires under the dash are usually in the same circuit as the dash lights....