Thread: speedometer
Hybrid View
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02-01-2014 03:38 PM #1
I'm running an AutoMeter electric and will buy one again. Easy install, easy calibration. I wouldn't consider a cable driven unit, and having to mess with trying to get the right drive and driven gears in the tranny to give you the right cable rpm at 60mph based on your rear gears and tire size. Electric is so much easier, and they can be re-calibrated in five minutes or less if you change tire size, or rear gears. My $0.02 and others may disagree.Roger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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02-01-2014 05:56 PM #2
Roger: Can you tell me a lttle about how its works, as in the wiring? Is there a need for 12 vdc at the trans or is just in the speedo unit itself ? Just a direct plug between the sender and the speedo ? No ecm required right ? I want to go with the electric just for the things you mentioned.
thanks for your input !
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02-01-2014 06:23 PM #3
Navy,
The AutoMeter instructions walk you through all of the details - http://www.autometer.com/productPDF/1164.pdf Most OEM speed senders are a two wire sine wave device, and one wire is grounded, while the other is the signal to the speedometer. The power wires to the speedometer, not to the tranny. The reference to "output to PCM" that you see is for modern cars that require a speed input to the car's computer. If you run into problems AutoMeter has all of the different sending units available that you might need, but I'm confident that the OEM sender will work fine. As a fall back, the AutoMeter techs are great to deal with. My tach went erratic after about a year, and after talking to them we agreed that they needed it for diagnostics. I got a brand new one by return and have had no problems with any of the gauges since.Roger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
I saw last night on fb about John. The world sure lost a great one. I'm going to miss his humor, advice, and perspective from another portion of the world. Rest in Peace Johnboy.
John Norton aka johnboy