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Thread: after market gauge

  1. 10th December 2013, 07:24 PM #1
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    laney
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    after market gauge

    Can any one tell me where they hooked up there after market water temp and oil pressure gauges to the motor of their td5. Thanks all
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  2. 11th December 2013, 08:00 AM #2
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    jwb
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    Coolant temp via a sensor under one of the nuts holding the coolant outlet pipe on the head. It's not in the fluid but a good proxy.

    Oil pressure by fitting a oil pressure sensor in line with the existing oil pressure switch.

    Google 'Madman EMS' for all you need to know.
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  3. 11th December 2013, 08:24 AM #3
    PhilipA
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    Just a word on the position of the temp sensor in TD5.

    I had a visitor a while ago for a Nanocom fault clear who had placed his sensor at the rear of the engine. It read about 9 C less than the ECU sensor as read by Nanocom.

    My cheapo Chinese sensor placed on a outlet pipe bolt reads within 0.5 C of the ECU reading as per Nanocom.

    So I agree strongly the best place is on the pipe outlet.

    I don't know if he had some calibration problem, but usually there is no calibration involved in a temp gauge.
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  4. 11th December 2013, 10:18 AM #4
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    jwb
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    The Madman has a neat feature where you can use any sensor and enter your own calibration scale. I sourced some inexpensive NTC thermistors for coolant and transmission temp which meant I didn't have to cut into anything as they measure surface temp. Simple process to calibrate using a thermometer and a pan of water.
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