Question about 2004 Chevrolet TrailBlazer

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The gauge cluster quit working and is stuck. We disconnected the battery. And now the key wont come out. And cluster is still not working.

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Battery needs to be connected with 12 Volts to have the ignition keys released from the switch. The stepper motors are know to go bad on the Trailblazers and will need to be replaced. The stepper motor it self is about $10.00 but to replace the whole cluster will be around $400-$500.

Here is a link that should help you, and thank you for using fixya.

Posted on Dec 31, 2010


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Battery drains until dead recharged it tahoe starts and runs gauges are dead alt light is on door locks, windows, keyless entry don't work 2003 tahoe 5.3 please help

Try disconnecting your alternator. Charge the battery but leave the alternator disconnected (remove the electrical plug from the rear of the alternator).

If the battery retains its charge and can start the car (you won't cause any damage by starting the engine with the alternator disconnected) it points towards a defective alternator.

If the rectifier pack - the diodes - in the alternator burn out this can cause a battery to discharge very quickly. Sometimes, quite literally, in a couple of minutes.

If the battery still discharges with the alternator disconnected this points towards a failing battery or a drain somewhere else in the electrical system.

It may be that your door locks and windows don't work for the simple reason there's not enough power to operate them. However, as you say your gauges are dead .. this could possibly point towards a drain in the electrical system, but not necessarily so.

It becomes too easy to replace parts one after the other in the hope that a fault is cured. This is an expensive way of going about things. The best option is to pay a workshop or an auto electrician to diagnose the fault correctly. Diagnose the fault first - an auto electrician will be able to tell you within minutes if it's the battery, the alternator or a drain elsewhere.

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My gas gauge quit working i think its a fuse which fuse in the fuse box is it ? its dosent matter if lites are on or not

Hello Sir,

Thankypou for writng us.In this case Gas gauge donst come with fuse.
Possible Things
1. Gas Gauge Unit Faulty
2. Cluster Unit Faulty (Which Shows the Indication)
3. Wire Disconnected form Cluster meter to Gas Gauge
Thanks & Regards
Yogesh Mule

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I have a 99 dodge caravan 3.3l the problem is that all the gauges will go off and sometimes wont come back on for days i did get a 1698 code

Since they come back on every now and then, I would say you have a loose wire somewhere. The circuit is probably behind the steering column. I would check all the wires and make sure none are loose. Check your grounds. The wires are black. I would replace the dash fuse also, just to be sure. You could have a wire going bad as well. You can check them with a voltage meter. If you have a question, please let me know. I am here to help. Thanks for using FixYa.

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Yes you are ru=ight about cold solder joints. as you might be handy working on cars youcan try to fix it yourself, But if your not handy with tools andintricate things you best leave this work to those that are. Remove the instrument cluster, leavingthe wiresconnected. turn the key on and push on the electrtrical connecteras you watch the gauges that are/nt working. If the serial bus weren't makig a connection then the check engine light would beon, or is it? Wigh the key off disconnect the electrical connector and the pins that plug in I scrach them by pulling lightly on the with treaded needle nosed pliers slipping off till they are all a little ruoghted up. Reconnect and try again. Sometimes afterhavingthe cluster disconnected ou may needto disconnect the battery sothe ECM will look for the cluster again. This is a common problem but ther's many varaitions of reconnecting including using a true scanner to cycle the gauges in an output test.

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Speedometer stuck at 20 miles an hour?

My 96 did the same thing. The speed sensor is and was fine -- the problem is an open circuit in the wires inside the gauge itself.

The Chilton's manual has pretty good instructions on how to replace the instrument cluster. You can buy just the speedometer gauge, or an entire instrument cluster for $100 or so on eBay. Just be sure you get a cluster that matches your model and trim line -- the LX and DX have different clusters, and of course the automatic and the 5-speed are different as well.

Do be sure to disconnect the battery before you begin the project, as there's a (slim) chance you can discharge the airbags if you don't

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It can be several things. Te simple one is that the connector behind the cluster is loose. The other is the circut board that makes up the cluster is going bad. Try disconnecting the cluster and re connecting. If this does not work, try replacing it with a sed one from a salvage yard or from ebay.

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did you change the pump with gauge cluster may have put bad pump in. some gauge clusters have built in pumps

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