I'm assuming when I purchase the new connector, the female pin will not be crimped so I can attach the wires as normal, correct? An 8 mile commute shouldn't do any damage I would hope as I need to get to the dealer to purchase a new connector.Īlso, does anyone have the part # to those stupid spring loaded retaining pins/clip that hold the cam sensor in place? The connector is part #443906232 but I was wondering if you could just purchase that retaining pin separately. A trinary switch will allow your electric fan to turn on and off based on either engine temperature or AC. Now that I've pretty much destroyed my stock connector, I see exactly what you are referring to. How to wire an electric fan with an AC trinary switch. Low coolant temperature has high resistance and high coolant temperature has low resistance (High Voltage/Low Temp Cold Engine, Low Voltage/High Temp Warm Engine), which can be verified with a digital voltmeter. Good luck, and feel free to contact me if you need more help one of my jobs 034Motorsport is building wiring harnesses.Thanks, that info is perfect. You cannot recrimp the old pins, so you'll need to butte splice the existing ones if you are trying to reuse them. The stock harness temp sensor is two wire.i purchased a 3 wire pigtail but I dont know which wires to match up. The signal wire sends temperature data to the engine. Here you may to know how to test a single wire coolant temperature sensor. 1 D Dallas camaro Member 30 Midlothian,tx I am trying to run a 3 wire temp sensor on my 5.3. A 2-wire coolant temperature sensor consists of a signal wire and a ground wire. A 1-wire coolant temperature sensor is typically grounded through the engine block or cylinder head. Diagram is from quickserve by engine ESN number. I can just tap into another sensor for 5v supply but just wondering why is the diagram different to what is on the truck. There is a small pin tab inside of the connector that is a lock this needs to be removed prior to installing the new pins. Coolant temperature sensors come in different wire configurations, including 1, 2, and 3 wires. Wiring diagram shows 5v sensor supply to come from pin 21 on ecu oem connector but pin 21is empty on our ecu. To properly install the connector, you will need 4 of the correct Bosch female pins. The pinout mentioned above is wrong for the 4 pin D-shape S4 this is the correct pinoutįor reference, Pin 3/4 are used by the dash Pin 1/2 are the only ones used by the ECU. I removed the dog house and see that the wire from the coolant temperature sensor appears to be a single black wire. Yes that is the correct Part Number for the Bosch D-Shape 4 pin Coolant Temp.
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