I just got my new(to me) '84 300D tonight. The back-up lights don't come on and I can start the car in any gear. Is this a bad neutral safety switch? They are a royal PITA to replace.

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Seth

1984 300D 225K
1985 300D Donor body
1985 300D Turbo 165K. Totaled. Donor Engine. It runs!!!
1980 300SD 311K My New Baby.
1979 BMW 633csi 62K+++? Dead odo