Chevrolet Blazer - Recent Questions, Troubleshooting & Support

Question edited for all the typos. Question moved to model category. The most likely reason is the the heater matrix is half full of air. It may even be partially blocked. You can back flush it by removing the hoses in the engine bay and connecting a hose. Then reverse the flow and finally remove all the air by following these instructions https://www.fixya.com/support/r29872074-vehicle_cooling_system_no_heat If you get heat in the top vents then the problem is still the blend doors not closing or opening in the right place. ..

This simple task often doesn't have the results you expect because the stock radio is part of the computer system and the radio is monitored by and driven by the BCM. Things like Warning Chimes and Clickers are driven from the BCM and played via the stereo speakers. Wiring diagrams in the link https://www.google.com/search?q=1997+chevy+blazer+stereo+wiring+diagram ..

Help in the link, but it could be anything. https://www.google.com/search?q=2000+Chevy+Blazer+no+spark A half hour with an auto electrician is the most cost efficient way to fix. A professional grade scan tool computer can diagnose all the electronics and electrical sensors. https://www.google.com/search?q=mobile+auto+electrician+near+me ..

Blower Motor Resistor

Blazer Forum https://blazerforum.com > forum > blower-motor-resis... Oct 20, 2010 - The blower motor resistor is located under the hood on top of the HVAC housing towards the center of the truck. Run a search on "blower+motor+ ... Can't locate Blower Motor Resistor on 1998 Blazer 4x4 Jan 11, 2012 2000 Chevy blazer blower motor won't work on high! Aug 19, 2023 New blower motor,new resistor, no power - Blazer Forum Aug 9, 2020 2000 Blazer - Heater blower Not Turning On Oct 25, 2013 More results from blazerforum.com https://www.google.com/search?q=2000+Chevy+Blazer+2WD+4.3+V6.+Blower+motor+resistor

Winter doesn't matter, because tires are always measured cold.

1999 Chevrolet Blazer Tire Pressure

TirePressure.org https://tirepressure.org > chevrolet > blazer > 1999 1999 Chevrolet Blazer LS 4x2 · 35 psi · 35 psi · 32 psi · (32 psi). Front Tire, Rear Tire. People also ask ..

Question edited for clarity Question moved to model category. Connect it to an OBD Code Reader and check for trouble codes. Help in the link https://www.google.com/search?q=1994+Chevy+S10+Blazer+4.3+no+spark ..

Your telling us,you have a vehicle that is less than 12 years old & you are installing used wornout parts on it.That is a lot of work to install junk, on a critical part onany vehicle,as well as unsafe, in my opinionBeing a salvage yard scavenger,you should know theyhave a national register, to look that up for you

This is the easiest way to answer this question. https://youtu.be/2zdnd5ikynU?si=4QKEWGo4BdyxnDxf

fuse or broken wire

Question edited for clarity and fix typo. Question moved to model category. 'Cranking' is purely the engine turning over. It cranks, almost starts and then it does nothing next time you turn the key? Flat battery. Or, you turn the key, it cranks, fires and almost starts and then dies? More reasons for that scenario. Check for diagnostic trouble codes. Did you disconnect the battery when you replaced the fuel pump? Did it work after that? Does it have an engine immobilizer and did you reset it after the disconnect? https://www.google.com/search?q=1999+Chevy+Blazer+crank+no+start ..

No there not connected, replace the brake light
1999 Chevrolet Blazer Auto Light Bulb Size Guide
Low Beam Headlight Bulb Size: 9006
High Beam Headlamp Light Bulb Size: 9005
Parking Light Bulb Size: 3157
Front Turn Signal Light Bulb Size: 3157
Rear Turn Signal Light Bulb Size: 3057
Tail Light Bulb Size: 3057
Stop Light Bulb Size: 3057
High Mount Stop Light Bulb Size: Assembly
Fog/Driving Light Bulb Size: 880 or 881
License Plate Light Bulb Size: 194
Back Up Light Bulb Size: 3156
Front Sidemarker Light Bulb Size: 194
Ash Tray Light Bulb Size: 161
Glove Box Light Bulb Size: 194
Map Light Bulb Size: 168 or 211-2
Step/Courtesy Light Bulb Size: 168 or 211-2
Trunk/Cargo Area Light Bulb Size: 211-2
Under Hood Light Bulb Size: 93
Instrument-General Light Bulb Size: 161 or 37 or PC194 or PC74
Check Engine Indicator Light Bulb Size: PC74
Hi-Beam Indicator Light Bulb Size: PC74
Seat Belt Indicator Light Bulb Size: PC194
Brake Warning Light Bulb Size: PC74
Automatic Transmission Indicator Light Bulb Size: 194
Directional Signal Indicator Light Bulb Size: PC74
As for the horn, inspect the fuse and relay and most common it would be a bad ground wire or worst a bad horn due to corrosion. Horn will be located in the drivers side fender.
Thank you for using fixya.

The location will be on your drive or in your garage or on the road outside your residence.

Question edited for clarity and typos. Question moved to model category. https://www.google.com/search?q=2002+chevy+blazer+4.3+fuel+pump+sender+wiring+diagram ..

the shift solenoids could be the problem should be abled to drop the pan to get to them just pay attention how it comes apart. the ones i replace was pretty easy. there is a round plastic peace on the solenoid that has a screen built in to it this screen can be clogged. the only place i'veever been abled to get them is at a transmition shop

Question edited for clarity and typos. Question moved to model category. Why do you think you need to change it? https://www.google.com/search?q=1998+chevy+blazer+ls.+transmission+control+module+replacement Location https://www.google.com/search?q=1998+chevy+blazer+LS+TCM+location ..

Sound like the guage cluster has went out. You will have to replace the whole dash cluster, Check with junk yard to save on money.

shift it to 2 wheel drive run it in reverse short ways

Axel with reverse threads should be on the driver side or the passenger side

The first thing I would look at is the shift rod on the transfer case. If I remember correctly, it is on the drivers side and is a rod aboutsix inches long and has two ends that basically pop into rubber gromets. If that rod is bent in any way, or has come loose of the gromets, it will not shift into or out of the four wheel drive. If yours has electronic four wheel drive, the electric acutator could be out or going out. you should be able to remove the rod and simply move the switch by hand on the transfer case. It will get you out of 4 wheel drive until you have the ime to diagnose the electronics at least. It has happened to both my 1994 and 1999 S-10 blazers.

Is there an injector pulse going to the injector?(an electrical pulse to fire the injector).
Is there spark at the plugs?
If the pickup in the dist is faulty you won't have either one.
If your vehicle uses a crank pickup with or instead of dist pick up....if it is defective ....no pulse.
The above is 90% cause of no pulse....other is computer problem 10%.
If you do have a injector pulse and no spray.....and have fuel pressure....change the injector.
A quick check for spark is spray a little starting fluid in it.....if it starts on the fluid....spark is present.