 New CHT install question, Appears to be displaying ambient temp not engine temp |
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| DRPHIL914 |
 Feb 16 2020, 06:23 PM
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#1
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Dr. Phil  Group: Members Posts: 5,810 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States 
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Has anyone had this issue installing a Dakota Digital CHT gauge?
Red and yellow wires are connected, as are ground and power wires as instructed in directions. Any thoughts or ideas? I went thru their trouble shooting , this issue is not addressed Phil |
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| SirAndy |
Feb 16 2020, 06:31 PM
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#2
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Resident German Group: Admin Posts: 41,945 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
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| DRPHIL914 |
Feb 16 2020, 06:54 PM
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#3
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Dr. Phil Group: Members Posts: 5,810 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States
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QUOTE(SirAndy @ Feb 16 2020, 07:31 PM)  (IMG:style_emoticons/default/blink.gif) (IMG:style_emoticons/default/confused24.gif) , but seriously, yes engine on , drove yesterday about 10 miles, but was showing about 65 which is about what the temp outside was |
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| billh1963 |
Feb 16 2020, 06:59 PM
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#4
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Car Hoarder! Group: Members Posts: 3,405 Joined: 28-March 11 From: North Carolina Member No.: 12,871 Region Association: South East States |
QUOTE(DRPHIL914 @ Feb 16 2020, 07:54 PM) QUOTE(SirAndy @ Feb 16 2020, 07:31 PM) (IMG:style_emoticons/default/blink.gif) (IMG:style_emoticons/default/confused24.gif) , but seriously, yes engine on , drove yesterday about 10 miles, but was showing about 65 which is about what the temp outside was Fahrenheit or Celsius? Yes..should obviously be higher than that even if Celsius but could be a starting point. Also, which cylinder are you using? Do you have the sensor that goes "under" the spark plug? |
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| DRPHIL914 |
Feb 16 2020, 07:09 PM
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#5
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Dr. Phil Group: Members Posts: 5,810 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States
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QUOTE(billh1963 @ Feb 16 2020, 07:59 PM) QUOTE(DRPHIL914 @ Feb 16 2020, 07:54 PM) QUOTE(SirAndy @ Feb 16 2020, 07:31 PM) (IMG:style_emoticons/default/blink.gif) (IMG:style_emoticons/default/confused24.gif) , but seriously, yes engine on , drove yesterday about 10 miles, but was showing about 65 which is about what the temp outside was Fahrenheit or Celsius? Yes..should obviously be higher than that even if Celsius but could be a starting point. Also, which cylinder are you using? Do you have the sensor that goes "under" the spark plug? Yes, under the #3 plug. |
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| billh1963 |
Feb 16 2020, 07:21 PM
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#6
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Car Hoarder! Group: Members Posts: 3,405 Joined: 28-March 11 From: North Carolina Member No.: 12,871 Region Association: South East States |
Per the troubleshooting guide, my money is on a loose or bad connection:
https://www.dakotadigital.com/pdf/odyr-11.pdf |
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| michael7810 |
Feb 16 2020, 07:39 PM
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#7
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Senior Member Group: Members Posts: 1,082 Joined: 6-June 11 From: Scottsdale, AZ Member No.: 13,164 Region Association: Southwest Region
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The extension wire can be installed backwards and it won’t work properly. There is a specific end that goes on the sensor and the other side on the gauge.
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| DRPHIL914 |
Feb 16 2020, 09:05 PM
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#8
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Dr. Phil Group: Members Posts: 5,810 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States
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QUOTE(michael7810 @ Feb 16 2020, 08:39 PM) The extension wire can be installed backwards and it won’t work properly. There is a specific end that goes on the sensor and the other side on the gauge. Thanks for the pointer and you hit it on the head. Even thought I have the wires connected yellow to yellow and red to red, that appears to in this case be backward and therefore it was only reading ambient temp not the head temp, switched the wires around at gauge, and I now have correct temp displaying. Thanks Michael |
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| Porschef |
Feb 16 2020, 09:50 PM
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#9
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How you doin' Group: Members Posts: 2,180 Joined: 7-September 10 From: LawnGuyland Member No.: 12,152 Region Association: North East States
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You will really appreciate that gauge, I hadn’t seen your post till now. Very accurate, and works well in conjunction with a wide band AFR.
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