A few years ago before I got the TF there was a feature about the reverse light switch on the F/TF in the MGOC magazine. These reverse switches were deemed unreliable and IIRC the common cause of failure was oil leaking past the seal and contaminating the terminals, I don't remember if the oil caused the contacts to stick or whether it conducted the power. The person who wrote the article  .tested  the switches from a number of suppliers and found that the majority were the same switch in different colour boxes but there were a couple of much better quality ones. I think that the MGOC supplied the better one, well they would wouldn't they20.png

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