Skip the auto shop - Our mechanics make house calls

Q: Gauges not working

asked by on

The RPM and temperature gauge are not working. This morning I noticed the speedometer had quit working also, though this afternoon it was working again.

A: This is a common issue. The instrument clu...

This is a common issue. The instrument cluster in your Hummer uses stepper motors to move the needles. Sometimes the stepper motors fail and wont work at all, and other times they give a crazy reading like needle in the negative position. In most cases the cluster needs to be rebuilt. While there are some technicians that specialize in this, the safest bet is to have a GM dealership assist you.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Spark plug issue

Hello. There are thread insert processes and kits available to repair this sort of thing. Sometimes, this can even be done without removing the cylinder head. Helicoil and EZ-coil are 2 choices. How far you go to preserve the...

Q: Heat and air controls broken

Hi. This can be caused by two things. There are actuators or motors under the dash that operate doors in the vent system. These door direct air to the different vent locations. The actuators can be ran by vacuums or...

Q: What is the best oil to use?

Hi there. If your engine is consuming too much oil, then I would consider checking the (PCV) Positive Crankcase Vent Valve and see if its plugged up. A PCV valve can plug up causing the engine crankcase to over pressurize...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...