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Since then I've had several very weird problems.
1. When I start the truck, the rear hatch opens! The only reason I know this is because the "hatch open light" comes on.
2. The radio doesn't remember the correct time anymore, but does remember preset radio stations.
3. This morning I drove the 25 highway miles to work, then got called back home for a small family emergency. When I started the truck back up, the IDLE speed was 3000 RPM!!! If I nudged the throttle it would increase, then drop back down to 3000RPM. Thought maybe the air filter was dirty, it looked fine. The throttle didn't seem to be stuck, manipulated it by hand under the hood. Interestingly enough when I put the car into reverse or drive, the RPMS would drop to 1500rpm. If put back into Park or Neutral, they would rocket back up to 3000rpm. About 10 miles into my trip back home from work the RPM issue went away...idle speed was around 500rpm in any gear.
Whats causing all of this craziness? This is my family's only vehicle and with my wife being 5 months pregnant I dread the thought of not having a reliable vehicle at the ready!
Thanks for all your help!
Lucky me that I have a 97!!!!
I will do that today than. Thanks again.
Changed the switch and all is well again!!!
Thanks !!!
does anyone know what causes this? why are companies avoiding me?
happened. my son and his friends were leaving a friends house around 4pm last friday. his friends driveway is gravel that goes into asphalt. he got to the middle of the drive, applied the brakes, only instead of slowing, the blazer sped up. (There was a nurse living next to the house, and what she said, was it sounded like it just throttled all the way up.) Once the brakes went out and it sped up, it shut down on him completely. no motor, no steering, everything just locked up. when it locked up, he had no control, it hit loose gravel on the flat surface of the road shot them toward a ditch. the ditch caused the series of rollovers. when looking at where the rollovers started, if they were to roll at all, it should have been side to side maybe twice into the woods. instead it was end over end, corner to corner, then side to side. what really gets me though is from where it shut down to where the wreck started, there wasn't enough room to get that much momentum going to flip. all but 3 windows shattered. the front seats have a gap between the doors between 6 and twelve inches, which kept them away from the doors. then it caught fire. but it burned either from the back of the dash through the motor, or the motor to the back of the dash. I wish i could show a picture of what it looks like. We know the blazer malfunctioned, we just don't know what went first. But because of the fire, they cited him for careless driving. i know there where some recalls, i just don't know if any of the 6 before ever took it in, and the service department where he got it, replaced the belt and battery 2 weeks after he got it. we had no idea anything else was wrong. For me, all of this happening, and he only had it a little over 3 weeks, i don't understand. Aren't they suppossed to be checked and serviced before they put them out to sell?
Is it even remotely possible that your son mistakenly pressed the accelerator pedal instead of the brake?
tidester, host
There are two ways to do that. One way is to get the picture hosted somewhere (such as with your IP) and you can find directions to do that by clicking the "Help" link at the bottom of this page. A better way is to set up your CarSpace ( http://www.carspace.com - your username and password will be enough to get you set up). In effect, we host your pictures and you can share them with anyone and even link to them here.
tidester, host
thank you
Now every time I shut off, I can press the brake pedal and all of the lights and electronics will come on!
Also, whenever I brake while signaling, the turn signals start operating at 2x speed. No lights are burnt out, but while driving, the brake lights (R, center, L) are always at 50%, and when I brake they light up to 100%.
Any ideas? Just some wires touching hopefully? I know nothing about this kind of stuff.
The speedo and trip in the center and fuel, temp, oil, volts are all run from the circuit board. The lighting around the panel is bulbs. You have tree fuses that supply to the panel.
1989-94 Blazer/Jimmy/S-10/Bravada Digital Unit - Repair Cost only $159 USD includes all shipping!! Now only $149!
Which lever do I want to move back and forth? The turn signal lever correct?
Thank you for your help It's begining to drive me insane.
Also, when I accelerate the clicking happens. When I apply the brake the clicking goes away.
Anyone know what this might be and an approx price on how much to fix and can I fix it myself??
The wiring harness to the circuit board is not supported. Because of this, movement occurs during driving that applies vibration and stress to the connector on the circuit board. If you have the described problem, remove the harness, then the circuit board, and look closely at the solder joints of the connector. In every case of this happening (and I have seen many) I found small hairline fractures in the solder connections. In each case, the solder was removed and the solder pads cleaned. Then, using a rosin core solder, the harness connector was resoldered to the board. The board was reinstalled and the harness plugged back in. Then, I took a tie wrap and secured the harness to the firewall so that it could no longer move around and flex the connection to the board.
This repair has been done on dozens of GM trucks, cars, and vans and the problem was corrected in each case. By securing the harness, the problem has not recurred.
And it is a lot cheaper than replacing the board!
Jim
I had just seen and heard about so many of these failures that my curiosity got the best of me and I had to figure out what was going on.
I had the heater switch replaced before the fuse problem began. Now the heater is not working at all. Please help, thanks.