20 Most Recent 2004 Chevrolet TrailBlazer Questions & Answers


The 2004 Trailblazer has two fuse panels, one in the under hood and one under the middle row seats. The radio fuse is marked RADIO fuse # 41 and is a 15 amp fuse located in the rear fuse panel. To access the rear fuse panel flip the seat behind the driver to the upright position, under it you can see the fuse panel and a diagram should be on the under side of the cover. 

Good luck and hope this helps.

2004 Chevrolet... | Answered on Jun 02, 2019


I disconnected the battery, removed fuses 10 and 28 adjacent the battery and waited twenty minutes. I then hooked the battery back up reinstalled the fuses and started the vehicle. The battery light went out and the battery not charging message did not come back on. I then went for a test drive. I had a celebratory adult beverage because it worked.

2004 Chevrolet... | Answered on May 22, 2019


Torque should be about 30-40 ft lbs. This is essentially tight by hand, no torque wrench is often used. See this how to video: Sorry the video wouldn't upload. But the shop (A1 Auto) tightened by hand and for me that's 30-40 ft lbs with open end wrenches.

2004 Chevrolet... | Answered on May 13, 2019


How to remuve2005 trailblazer remove rear bumpier cover

2004 Chevrolet... | Answered on Feb 27, 2019


You probably have a front drive splined disconnect assembly that has gone bad. This assembly engages the front differential when 4WD is selected. Below is a figure of the item, it is on the passenger side of the differential area.

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2004 Chevrolet... | Answered on Jan 12, 2019


If you have the two ends of the wires then they will have the same colors and you will have to put them back together. add new piece of wire if needed and make sure that they are secure. you can use plastic insulated connectors or solder them back together and use shrink tube to weather proof, soldering is the best way for a good connection to any wiring job.

2004 Chevrolet... | Answered on Dec 24, 2018


many seem to be able to clean that sensor
in case you mess it up , there are plenty of good cheap sensors at the wreckers/junk yards
you were never told a fault code so go some where else and have the fault codes read as it may not have even been that sensor at fault

2004 Chevrolet... | Answered on Nov 06, 2018


this is a small leak in the evaporative emission control system.Most common cause is a loose or faulty gas cap but not always, Sometimes the check valve in the gas cap doesn't seat properly allowing the gas tank pressure to bleed down. The EVAP system needs to see a positive pressure in the tank.

2004 Chevrolet... | Answered on Jul 19, 2018


Not legally. If you do it illegally, you'll get a check engine light on full time.

2004 Chevrolet... | Answered on Jul 17, 2018


This sounds like the A/C switch got really hot at one point and melted the coating off some wires close to it and they've fused together. You'll have to pull the A/C switch to find out, there's no being able to see under the dash without pulling a lot of stuff out to get to it.

2004 Chevrolet... | Answered on May 10, 2018


you should checkout this website www.reliable-store.com that has books on all vehicles, name it they have it.

it covers wiring diagrams, electrical diagrams, fuse diagram, torque specs, PCV, error codes, fault codes, service info, repair info, owner's/service/repair/maintenance manuals etc everything totally..
I have ford expedition and I keep servicing and when needed repair it on my own. worth it !!!

2004 Chevrolet... | Answered on Mar 16, 2018


replaced brake switch ??? If you don't know how to read a wiring diagram an use a volt meter to test electrical circuits ,your better off taking your vehicle to a qualified repair shop .

2004 Chevrolet... | Answered on Mar 13, 2018

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