Yes, I have also had this problem. My speedometer started out not working in below zero temps, but the problem has gotten worse. It works intermitantly at best now. Sometimes it shows 10-20 mph at highway speeds, sometimes 0, sometimes it works correctly. Seems better at higher temps, worse at lower.

I am waiting for summer to see if it will start working all the time. Any ideas on how to fix this or what to check?

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84 300D "Soy Benz" - Soon to be WVO Conversion. 277K