Question about 1998 Cadillac DeVille

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Temp sensor How can I check if my coolant temp sensor is actually working? Can I stick a wire on both sides of the pig tail to see if it turns on?

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Buy a temp gauge from a breakers yard and connect

Posted on Oct 16, 2013

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Posted on Jan 02, 2017

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ZJLimited
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SOURCE: i need to know which

What unit sensor or component are connected to this pigtail ?

Posted on Mar 22, 2010

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SOURCE: i need to know which

forget about colors or numbers. The wires just have to end up in the same location if your splicing it in.

Posted on Mar 22, 2010

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1 Answer

How to replace pig tail for crank shaft sensor 2001 ford taurus


Rockauto.com shows a wiring connector for your crank sensor. You just splice the wires on the new connector. You can talk to your local auto store, see if they can order one for you?

Feb 13, 2018 | Ford Cars & Trucks

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Location of radiator fan fuse or fuse link ? Fan doesn't work.


Both should be a fuse under the hood, or under the dash, if there is a fuse link, it will be along the hot side of the wiring on the fan leading into source of power.

May 22, 2016 | Cars & Trucks

1 Answer

2002 FORD FOCUS NEW YAW RATE SENSOR WIREING DIOGRAM FOR 6 WIRE PIG TAIL


They gave you the wrong one. If it didn't come with a new plug to wire to the car. The one you got won't work. Even if you hard wire it.

Dec 30, 2015 | Ford Cars & Trucks

1 Answer

Primary cooling fan only comes on when i turn ac on


You would need a scanner and an inferred temp sensor to troubleshoot the system.
You need to know what the actual engine temp is, and what the temp sensor is telling the computer.
If and when the engine reaches 220 degrees, the engine temp sensor should be sending that data to the computer and it should ground the fan relay to activate it.
Unplugging the sensor and having the fan run tells you the sensor is connected, and there should have been a trouble code set at that time.
It is possible the coolant level is low, or something else preventing the temp sensor sending the correct data.

Apr 16, 2013 | 2002 Chevrolet Malibu

2 Answers

Hey,I have an 03 chevy s10,I recently tried putting a pig tail on it (straight wired) and had no luck,gave up and crimped all the wire back together,and today a guy at work noticed I had no taillights,but...


I would check your tail light fuse first then test the brown wire in the tail light harness where you origionally cut into it. With the lights on there should be around 12v on it. if not you may have pulled the wire too hard and broke it upstream. Test to see if there is 12v at the fuse ad if there is, your trouble should be in the wire between the fuse and the spot where you cut into it.

Mar 25, 2013 | Cars & Trucks

1 Answer

03 Town & country cooling fans don't work even afler replacing relay. They'll work when relay plug is jumpered. Phil L


if they work when jumping the relay then all wiring from the relay to fans is good.have you checked all the fuses on the car(both under dash drivers side and under hood).if they work then its possible that the coolant sensor may not be sensing the coolant temp as hot as it is(showing the computer that it is at a lower temp)then it actually is.which would suggest a defective coolant temperature sensor and no this sensor does not always set a code.

Mar 24, 2011 | Chrysler Town and Country Cars & Trucks

1 Answer

I was wiring a trailer pigtail to an 06 wrangler and blew the turn signal bulbs but the fuses are good. I have running and reverse lights but no brake lights or turn signals


If the bulbs and the fuses are good, check the brake light switch. You might of shorted out the switch when working on the pig tail. Always use a test light or volt meter when installing pig tails. This way you can check for power and ground before hooking a wire up to help prevent shorts. But by what you have said it does sound as if the brake light switch is now bad.

Jun 27, 2010 | 2006 Jeep Wrangler

3 Answers

Air conditioner problem


Sounds like a problem with the censor or a bad pig tail, try unplugging the pig tail and sticking a paper clip in both sides and then turn the ac on, that will tell you which it is

Jun 17, 2010 | 1992 GMC Sierra

1 Answer

Coolant fans are not running. unplugged coolant


Check out coolant temp sensor ,its wiring and condition of coolant all together they control that circuit.
Then make sure ECU is getting Temp sensor signal and is sending it to the relay accordingly. ( which in your case is probably not the problem because the fans went on when you removed and accidently grounded coolant sensor wiring) Only one thing left Good luck

Mar 24, 2010 | 2001 Chevrolet Venture

1 Answer

Temp Gauge inside car "sticks"


Yadayada ,don't know where you came up with that . This vehicle has just one ECT - engine coolat temp. sensor . It's an input for the PCM - engine computer . The PCM sends this info to the instrument cluster over the class2 serial data bus. . The proper way to diagnose a problem like this would be to hook up a professional scanner an check input data to the PCM , an instrument cluster . Not guessing an replacing parts .
Engine Coolant Temperature Gage
The IPC displays the engine coolant temperature as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the engine coolant temperature. The engine coolant temperature gage defaults to 60°C (140°F) or below if:
• The PCM detects a malfunction in the engine coolant temperature sensor circuit.
• The IPC detects a loss of class 2 communications with the PCM.

What engine ? could have come with a 3.4 or 3.8 L .
Engine Coolant Temperature (ECT) Sensor (L36)
Left side of the engine, below the thermostat outlet

Engine Coolant Temperature (ECT) Sensor (LA1)
LH side, top of the engine

Both are close to the thermostat housing , do you know what an where that is ? Follow the top radiator hose to the engine , should be near there . Look at the new part ,can't you match it up.

Jan 02, 2018 | 2001 Chevrolet Monte Carlo

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