HOW DO I INSTALL A MORE "MODERN" COOLANT TEMPERATURE SENSOR?

  • Tiny
  • danieljordan
  • Member

I grounded the second wire as you said, it still isn't reading the temperature. It bounces around the falls all the way down to 260 and twitches. Any other suggestions? Ground is good, verified withe a multimeter. I'm at a loss, I usually always figure these problems out on my own.

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Saturday, September 1st, 2012 AT 7:00 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

Coolant sensor is not for the temp gauge. That unit is on the left front head between the first 2 cylinders.

Roy

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Saturday, September 1st, 2012 AT 8:16 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

Yup, sending unit and ECT are two different thing. Disconnect the one that you have installed and note if the gauge works. This is to confirm if you are working at thr right place. The other thing is that you could have bought the wrong item, instead of sending unit you asked for temperature sensor.

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Saturday, September 1st, 2012 AT 8:26 PM
  • Tiny
  • hmac300
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  • 44,425 posts

Teh temp sender is in the cylinder head normally the drivers side, ground the wire out and if the gauge goes to hot then it needs to be replaced.

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Saturday, September 1st, 2012 AT 10:28 PM
  • Tiny
  • danieljordan
  • Member

So the sensor on the rear right of the block doesn't affect my guage, the one by the thermostat does?

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Sunday, September 2nd, 2012 AT 2:49 AM
  • Tiny
  • KHLow2008
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  • 41,994 posts

Yes you are correct.

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Sunday, September 2nd, 2012 AT 12:17 PM
  • Tiny
  • danieljordan
  • Member

So is it the one under the TB just behind the Thermostat next to a small vacuum line?

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Sunday, September 2nd, 2012 AT 2:22 PM
  • Tiny
  • KHLow2008
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  • 41,994 posts

It should be a one connector sending unit. Dis connect it and turn ignition switch on. If gauges does not work, ground the wire and check if the gauge goes up to max.

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Sunday, September 2nd, 2012 AT 2:32 PM
  • Tiny
  • danieljordan
  • Member

It goes up to make and twitches rapidly at max temp. I think it needs a new wire. I kept the original single wire just cut the connector off and spliced in the new one.

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Sunday, September 2nd, 2012 AT 9:44 PM

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