Question about 2005 Chevrolet Trailblazer Ext
Hello, this problem is due to a failing stepper motor. The stepper motor is the motor behind the gauge that controls the movement of the needle. When a stepper motor begins to go out it will cause the gauge needle to stick, skip around, stay at zero or max out on the gauge. The only way to fix the problem is to replace the stepper motor with a new one. While replacing one motor it is best to go ahead and replace them all as the others will go out in time as well. Your cluster will have one motor for each gauge. Here's a link to a page showing exactly how to replace a GM stepper motor and where to get the correct parts to do the job! DIY Finally How To Repair GM Instrument Cluster At Home Speedometer And...
Posted on Dec 16, 2014
Many speedo dials on many American models seem to suffer an early demise. It usually turns out to be the dial itself which is faulty, so I'd recommend checking and changing this first
Posted on Nov 04, 2012
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Posted on Jan 02, 2017
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