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Thread: Transmission Temperature ECU Input

  1. 09-30-2018, 06:05 PM #151
    Trackman
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    I'm considering using the Auto Meter 2252. Does anyone have a part number or link to the pigtail I need for it? Auto Meter offers a harness, but it's more than the sensor!
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  2. 09-30-2018, 11:52 PM #152
    Danny Cabral's Avatar
    Danny Cabral
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    The Delphi Metri-Pack mating connector & terminal is in post #1 of this thread.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.
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  3. 12-01-2018, 04:24 PM #153
    eldale2001
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    Danny, I'm looking at using the Auto Meter 2253. They list only 8 temp/Ohms settings (LINK). You think we could do the "math" to make up the rest of it for the Holley EFI 16 Cell Calibration Table?
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  4. 12-01-2018, 06:59 PM #154
    andrewb70
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    Plotting it out in Excel, it looks like the curve on the right:


    I would input the values given and leave some columns blank in the area where you would want the most resolution, which is presumably in the normal operating range, then just add values that make it a smooth curve. Andrew
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  5. 12-01-2018, 07:42 PM #155
    Danny Cabral's Avatar
    Danny Cabral
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    Quote Originally Posted by eldale2001 View Post
    Danny, I'm looking at using the Auto Meter 2253. They list only 8 temp/Ohms settings (LINK). You think we could do the "math" to make up the rest of it for the Holley EFI 16 Cell Calibration Table?
    I excluded the 350°F temperature cell, and included the 198°F & 213°F cells. I also added this sensor calibration data to post #1 of this forum thread.

    Auto Meter 2253 Thermistor Specifications
    Temperature = Ohms (Holley EFI 16 Cell Calibration Table):
    60°F = 1200Ω (Right)
    80°F = 827Ω
    100°F = 453Ω
    130°F = 292Ω
    160°F = 130Ω
    175°F = 103Ω
    190°F = 76Ω
    198°F = 69Ω
    205°F = 62Ω
    213°F = 55Ω
    220°F = 47Ω
    230°F = 41Ω
    240°F = 34Ω
    260°F = 27Ω
    280°F = 19Ω
    315°F = 14Ω (Left)
    https://www.autometer.com/sender-for...d-340-deg.html (1/8-27 NPT)
    https://www.summitracing.com/parts/atm-2253 ($16)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.
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  6. 03-24-2019, 03:36 PM #156
    jroypdx
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    I have an Auto Meter 2259 and near as I can tell, I've followed the instructions correctly. But all I can seem to get is a pegged 340°F on a datalog or on a gauge. What am I missing?

    Click image for larger version.  Name: Capture.JPG  Views: 6  Size: 73.0 KB  ID: 7970 Click image for larger version.  Name: TEMP1.JPG  Views: 4  Size: 78.5 KB  ID: 7971 Click image for larger version.  Name: GAUGE.JPG  Views: 4  Size: 68.9 KB  ID: 7972
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  7. 03-24-2019, 03:42 PM #157
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    Danny Cabral
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    I'm guessing the signal wire is grounded (or shorted to ground).
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.
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  8. 03-24-2019, 03:51 PM #158
    jroypdx
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    Strange, it's a brand new wire I just ran from the sensor to the input, in loom. I'll double check it.
    Is there any issue with the location on the sensor? I have it attached inline with my trans lines, just off of the pump output.
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  9. 03-24-2019, 04:06 PM #159
    Danny Cabral's Avatar
    Danny Cabral
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    Also ensure the eyelet terminal isn't contacting the body of the sensor. Maybe perform an Ohms continuity test.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.
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  10. 03-24-2019, 04:55 PM #160
    jroypdx
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    I'll do some closer checking tomorrow. Unfortunately, my house and the shop aren't close to each other.
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