Re: 1990 electric instrument cluster/speedo
Just re-pin the wiring. It is really easy. If you know someone that has ALDATA or go by the local GM dealer and speak with a technician. I went to the local GMC dealer and asked if they had some wiring diagrams for my 81 Blazer and a 1991 Suburban and they spent the time to look up the information and printed out 10-15 pages for me that day. I was really impressed with the service and wished I could return and buy a car from them for the appreciation.
Did you solder the wire directly to the three prongs coming off of the electric speedometer and disconncect the printed circuit?
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