speedometer is working, but not my rpm
09-01-2013, 08:48 PM
#1
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speedometer is working, but not my rpm
when i start the car, and rev up the gas. the mph (speedometer) goes up, but not my rpm.
I checked all harness and wires. they're hooked up correctly, but what else can causes this?
I checked all harness and wires. they're hooked up correctly, but what else can causes this?
09-02-2013, 02:21 AM
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Re: speedometer is working, but not my rpm
You can check out the link http://www.autometer.com/tech_faq_an...x?sid=3&qid=28 for assistance on what is wrong with your Tachometer (RPM meter).
09-02-2013, 09:07 AM
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Re: speedometer is working, but not my rpm
The tach is driven by a signal from the ICM, remove the distributor cap and dust cover and make sure the blue lead is properly plugged into the ICM. 94
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