New member - 1987 Cavalier Z24 - Page 2 - First Generation Forum

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Re: New member - 1987 Cavalier Z24
Friday, September 16, 2016 7:46 AM
Well, I now have proper VSS signal at the ECM. Installed a 2000rpm transducer in-line with the speedo cable and got the wiring correct

Full test drive to be performed this afternoon. The previous owner tried to cross-connect the 1989 VSS signal, but he connected it to the non-existent Cruise Control terminal and not to the ECM... not that it matters since the 89 VSS outputs 4000rpm and without a digital cluster or buffer to divide it, the 87 ECM would think It was in a jet!

So much fun learning all of this, deciphering what is original 87 and what is now 89...
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