1. Tachometer....search (No, I'm NOT kidding).
2.Lights at CC and shifter....search (Again, not kidding).
3. Antenna .....search

The search function will give you the answer to these problems that are often discussed. Welcome to the board.

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)