[doubleds19666]

Just ordered the new coolant temp sensor: ACDELCO 12551708
and connector pigtail: STANDARD MOTOR PRODUCTS HP4440

I will keep you all posted on what value resistor is needed to make the temp gauge read what the ecm is getting. The ecm temp sensor works fine, but the sensor for the gauge is about 30 degrees too low while driving due to the adapter from S&P. I calibrated it at idle in park, go figure. Without the 47 ohm resistor already installed on the printed circuit it was reading pegged out(about 60 degrees too high).