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Chevrolet Blazer Warning Lights and Gauges

168 messages,  Last post on Sep 07, 2008 at 11:40 AM

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#131 of 168 '02 Blazer: Installed Cruise: Security Light Stays On by indikut Sep 26, 2006 (7:41 am)
#132 of 168 '02 Blazer: Installed Cruise: Security Light Stays On by indikut Sep 24, 2006 (2:21 pm)
Just recently, I installed a new Multi-Blinker/Cruise Switch, and cruise box. I had taken the dash apart to do some deep cleaning, (Radio Removed, Gauge Cluster removed). It all sat out for about 24 hours. When I put it all back together, My Security Light stays lit, the truck turns over, runs for <1sec, then dies. Passlock engaged, disabling the fuel injectors?? Also, None of my courtesy lights are working neither. Checked all fuses and relays, everything checks out ok. Could having the radio unplugged for so long, reset the Anti-theft/passlock code? Im lost, and dont know where else to turn.. Replies to this message: repairdog (Sep 25, 2006 2:20 pm)
#133 of 168 Re: '02 Blazer: Installed Cruise: Security Light Stays On [indikut] by repairdog Sep 25, 2006 (2:20 pm)
Replying to: indikut (Sep 24, 2006 2:21 pm) When you turn the key to run the security light should go out after like 5 sec - if it does not passlock maybe activated. If it goes out you have another problem.   The Passlock Anti-Theft system involves resistor codes which are generated by resistors located in the ignition key cylinder switch. The GM Passlock system uses what is known as a Hall Effect Sensor to send a resistor code to the Passlock module. The resistor code is activated when the ignition key is physically rotated in the ignition switch. Depending on the model of GM vehicle, the actual resistor code is only introduced to the Passlock system when the ignition switch is turned to the ignition on (run) position or only when the ignition switch is turned to the start (crank) position.
#134 of 168 '02 Blazer: Installed Cruise: Security Light Stays On (Fixed) by indikut Sep 26, 2006 (7:41 am)
Thank you for that bit of knowledge, it does help.   This is also what I learned (Don't know if it will help others)   When I unplugged the wiring harness from the Multi-Switch/Ignition, I forgot to unhook the battery before doing so. (I swear I took the cables off). With the battery still giving juice, and my taking the harness off, the system took it as "Teft Tampering of the wires", and put the system into Anti-Theft mode. Also, being that I had stuff unplugged so long, there was a communication error, and the system body module had lost some kind of information.   The dealer diagnosed it, popped 3 codes, and reset everything, and had to "re-teach" the module.   All being said, the truck runs (yay), and I now have C/C. What I thought would be an easy task, and a fairly cheap one, turned out being nearly $300 after everything was done.   Meh.. Im just an uneducated 23 year old, learning from his mistakes.
#135 of 168 2002 Blazer 4x4 button blinks by volcer Aug 31, 2007 (9:35 pm)
#136 of 168 2002 Bazer Push button 4x4 button just blinks when you move 2 hi to 4 hi by volcer Dec 05, 2006 (5:11 pm)
Hello first thanks for reading . I have a 2002 blazer . The problem i have is that with the push button 4x4 on the dash. While in 2 hi and i would like to push the button to 4 hi it will blink a couple of times at the 4 hi spot then blink back 2 hi . so it will never go into 4 wheel high . I have replaced the push button on the console. any suggestions would be great thanks so much Replies to this message: repairdog (Dec 06, 2006 3:17 pm)
#137 of 168 Re: 2002 Bazer Push button 4x4 button just blinks when you move 2 hi to 4 hi [volcer] by repairdog Dec 06, 2006 (3:17 pm)
Replying to: volcer (Dec 05, 2006 5:11 pm) Search the Blazer forum for the fixes - must have posted 20x already - 3 button case is NP233 and 4 button 236.
#138 of 168 4X4 ON AND OFF by iluvmuddn Aug 31, 2007 (9:34 pm)
MY 4X4 GOES ON AND OFF WHILE DRIVING DOWN THE ROAD.AT FIRST IT WAS JUST THE LIGHTS TURNING ON AND OFF.WHEN WE TOOK IT TO DEALERSHIP THEY FIXED THE 4X4 BUT COULDNT GET THE LIGHTS TO STOP BLINKING OVER AND OVER.NOW THE 4X4 ACTUALLY COMES ON WHILE DRIVING.HOW CAN I GET IT TO STOP COMING ON AND OFF?THE DEALERSHIP DOESNT KNOW WHAT HEY ARE DOING!!!! ">
#139 of 168 Air energizer system P0410 by cupieking Nov 10, 2007 (2:33 pm)
Repairdog,                 I have had a problem with this system for the last 5-6 months. I have taken it to a couple of mechanics and they seem to be more concerned with diagnostic costs rather than fixing my vehicle. I saw your post on the part #'s and the how tos of fixing this particular problem. I got into it and realized that the 30 amp fuse was blown and replaced it. The first start up after the fuse replacement it blew again. Is this something you might be able to help me with? Anyone? I need to also know if this is something that I need to fix before I drive across the country. Anyone with any advice it is greatly appreciated. I am moving on military orders at the end of the month so time is crucial. The trouble code was P0410.     Thanks
#140 of 168 Gauges problems by beyondtime024 Nov 18, 2007 (10:51 am)
Okay here goes!! I had a bad heater core and removed the dash to replace it, last time I will ever do that!! It's a 98 blazer 4wheel drive!! So I put everything back in and it starts up and runs fine but now my temp gauge does not work my fuel gauge does not work, my background light behind the gear indicator to let you know what gear it's in does not work, and my whole 4 whel drive cluster will light up except for the indicator light and does not work at all, does not switch from 2 to 4 wheel drive!!!!! Any help would be greatly appreciated!!! Replies to this message: billypreschool (Nov 24, 2007 10:39 am) beyondtime024 (Dec 07, 2007 4:11 pm)

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