Lead, it would be advisable to install a new 30-amp strip fuse rather than a Rube Goldberg fix. Look online. They should be available because I bought several a couple of years ago. It's surprising that your local MB dealer didn't have them, or couldn't get one for you. You may want to call another MB dealer and have them mail you one, or two. The strip fuses cost less than $2.

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Fred Hoelzle