Each part ought to be set and connected with other parts in specific manner. Where to connect temp sensor on 350 Chevy? Then after the engine is running and up to operating temp, do the same thing and the test light should NOT light. ... Click the button below to add the GM Single Wire Coolant Temperature Sender Connector to your wish list. The connection that went to the original block was cut. Refer to your owner's manual for the location of your existing temperature sensor wire. Leave it disconnected and tape it off??? Go to the engine compartment and crimp a male plug or female socket wire connector on the sender wire. ... Wiring Connectors, Coolant Temperature Sensor Extension, 36 in., 2 Pin, Each. Raise the hood and disconnect the negative battery cable with a socket. so the lights and wires should be ok. When I took the engine in to the shop for the rebuild, one was in the intake, and another was in the driver's side head. Use a hole saw and drill motor to drill a hole that matches the diameter of the temperature gauge flange. Authentication and pre-purchase inspection service still available. P0118: Engine Coolant Temperature (ECT) Circuit High Input. :thumbsup: Anyone else have any experience with this? Detach the small gauge bracket with a socket if it doesn't fit initially. Strip both ends of the wire. Which one is supposed to operate the gauge? A temperature gauge is one of the most important sensor gauges on any vehicle with an internal-combustion engine that uses a radiator and cooling jackets. Stevenson holds a P.D.S Toyota certificate, ASE brake certification, Clean Air Act certification and a California smog license. I was told by Jasper to use a sensor from an '87 350. I discovered by grounding the solid green wire with the ignition on, the hot light comes on. Replace your engine coolant temperature sensor on a Chevy 1500 Suburban or truck in just a few min. A temperature gauge is one of the most important sensor gauges on any vehicle with an internal-combustion engine that uses a radiator and cooling jackets. Coolant temp sensor is bad. 350 has a temp sensor that has one terminal. Get back into the cab and cut the wire, allowing enough slack to hook it to the back of the gauge at the dashboard. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Any help would be greatly appreciated. Touch the test light clip to the + bat post and the test light to the TCS terminal, it should light. I am left with one wire with two terminals. I recently replaced my thermostat when my lower radiator hose clamp failed and i lost my coolant . Doesn't display the full temp. Start and let the engine run. one solid green and the other is green with a white stripe. Pull the wire through from the engine compartment. On the V-8 models it's next to the number one spark plug wire boot. I was told by Jasper to use a sensor from an '87 350. Look for a screw under the dashboard that is attached to the metal frame. 96 vortec engine sensor diagram wiring library chevy 5 7 wiring diagram online wiring diagram 4 3l vortec engine diagram 11 fearless wonder de v8 vortec engine diagram 11 fearless wonder de turn key engine supply performance engines engine parts solved firing order diagram for 1996 blazer 4 3 eng fixya chevy s10 vacuum hose diagram in addition. Fasten a nut on the gauge terminal with a socket. The one problem is that there is two wires and two terminals on the sender. I guess I'll find out if this works if the car ever overheats. When I put my big block in my car, the one thing I haven't figured out yet is hooking up the factory temp gauge. I have tested my thermostat, coolant temp sensor, and temp sending unit. What do I do with the other wire?? The 1993 Chevrolet 1500 had five engine options ranging from as small as a 160-horsepower, 4.3-liter V-6 to a 230-horsepower, 7.4-liter V-8. because the old temperature sending unit was out of order, i bought a new one. P0073 is a diagnostic trouble code (DTC) for "Ambient Air Temperature Sensor Circuit High input". From underneath the dashboard, reconnect the gauge mounting bracket and spread the bracket arms to contact the metal dashboard surface. with a 7.4 engine. Sensor, Coolant Temperature, M12 x 1.5 Thread Size, Brass, Natural, Chevy, Pontiac, 5.7L LS, Each. and then it goes all the way over to hot. The motor was re-man by jasper and a '71 sensor won't fit as the heads are aftermarket. I replaced an old water temperature gauge with a new one , I show how I installed it. This can be any solid piece of metal. Remember the location. His automotive vocation has spanned more than 35 years and he authored the auto repair manual "Auto Repair Shams and Scams" in 1990. When I ground the solid green wire the temp light comes on. i hope to got the right one. Place the vehicle in park or neutral, depending upon its transmission type. Tighten the nut with a socket. With the wiring unplugged from the temperature sensor, the voltage should be close to 5 volts on the yellow wire. NPT, for use on Acura®, Honda®, AMC, Chevy, Isuzu, Pontiac Part Number: NAL-15326386 Find CHEVROLET 5.7L/350 Chevy small block Gen I Coolant Temperature Sensors Natural Coolant Temperature Sensor Finish and get Free Shipping on Orders Over $99 at Summit Racing! Engine temperature directly affects combustion and moving internal parts. One is on top of the intake manifold cover to the left of the thermostat housing and has two wires leading to it. 06-10-09 03:09 PM - Post# 1714745 i have a 64 impala ht with 350cui small block. Make sure no components exist behind the mounting location. gauge). Where do the sending units go? For a better experience, please enable JavaScript in your browser before proceeding. As far as I know, (keep in mind we are talking FACTORY here) the correct temp sender (one only) has 2 terminals. Engine temperature directly affects combustion and moving internal parts. With test light there is no current with switch on to the wire going to the stock sensor. If it is overheating, thats all it says. The first thing we should briefly discuss becomes the location of the Chevrolet coolant temperature sensor. 350 has a temp sensor that has one terminal. Have someone look at your dash to see if the red temp light comes on. The wire you're looking for is dark green. It was a wire soldered on to the back of the sensor." At location M13, wire 150A connects to pin C of the six terminal connector. And I don't know which wire goes to which terminal. Place the eyelet over the gauge stud marked "S." Connect it to the sensor probe. Get a short piece of wire for a jumper. Guide the wire up into the dashboard and through the back side of the gauge hole. 6. What do I do with a one terminal sensor and two wires???? A simple test for this terminal is to use a test light. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, RX7.org: How to Install a Temperature Gauge, Livorsi.com: Temperature Gauge and Sender, Miata.net: Electrical Oil and Mechanical Water Temp Gauge Install. 4. ok4450 said, “You’re not confusing an ECT sensor with a temp sensor used for other fuctions are you; as in temp gauge operation, cooling fan sensors, etc, etc?” Nevada_545 said, “The coolant temp sender for the gauge has one wire, dark green. You know????????????. Other is green with a white stripe wiring problems with the ignition on, hot. Soldered on to the stock sensor. told by Jasper to use a hole that the... Show how i installed it in a driveway or garage, Camshaft sensor, the structure will function! A P.D.S Toyota certificate, ASE brake certification, Clean Air Act and! 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