I have a couple of questions regarding the glow plug relay on my 81 240D. This is due to sometimes the relay doesn't work.

1. I took a look at the fuse on it. It is a metal type of fuse. Is there a newer type of fuse that I should replace it with?

2. If I were to replace it, should I clean the connections again before I install them on the new relay?

3. If I install a new one, is there just the two connections?

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1981 240D
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