x2 > What John said.
The CTS (Coolant Temp SENSOR) has a two wire connector and gives the PCM engine temp info. On your 98 the ECT (Engine Coolant Temp SENDER) is a single Green wire that does not go to the PCM---It is what works the gauge.
Jeff
x2 > What John said.
The CTS (Coolant Temp SENSOR) has a two wire connector and gives the PCM engine temp info. On your 98 the ECT (Engine Coolant Temp SENDER) is a single Green wire that does not go to the PCM---It is what works the gauge.
Jeff
98 GMC RCSB 2wd, 100% internally stock 305, w/twin T-3 junkyard turbos,Ramjet intake w/42lb inj,12200411 PCM. 4675lbs w/me in it. Best time in 5 passes 13.01@110
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