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Hello, what lead up to this issue? Was everything working prior to an accident or repair and now inoperative? Are there any diagnostic trouble codes stored in regards ***** ***** systems no working? Will the temperature gauge pass a sweep test and do you have a scan tool that can do so?
Ok the P0119 code is for the coolant temperature sensor, does you scan tool have the capability to read the coolant temparture sensor value? You say you replaced the one on the passenger cylinder head? it wasnt on the drivers side under the intake? Depending on the build date, it could use a single Cylinder head temp sesnor or a ECT engine coolant temp sensor for the PCM and a temperature sender for the gauge.The P1289 also is a code for the CHT sensor. None of the wiring was chewed up or damaged going to the sensor?
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Pin 66 at C175B is a ground circuit and will not have power on it from the pcm It is solely a ground for the 4x4 circuit.I have never seen harness issues for the 4x4 system.
part two of the circuit
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