Quote:
Originally Posted by dougorr
I have a 1984 300D W123. ................., the big ol' round primary multi-pin plug on the back of my instrument cluster has 15 holes and there are 15 pins on the printed circuit board. ..........
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From other posts, someone with an 83 and 85 300D has a cluster with only 14 pins (missing pin #9). Strange that your cluster is an 84 and has 15 pins. The cluster where I labeled everything (about 3 to 4 years ago) has 15 pins but I do not know what year /model W123 it came from. At the time I did not even know there were 14 and 15 pin clusters. I'll have to look see how many pins my 85 cluster and plug has next time I have it apart.
Can you take a look at cluster harness plug how many sockets it has and whether #9 is missing or not?