Chevrolet Electrical System:ignition Questions

the oil pressure guage in my 2003 trailblazer seems to move all over the place. at one point its fine, then falls below zero other times its above 80 what gives?

dash lights went out after instaling radio to factory harness... Why, cant find a blown fuse

1995 chevy suburban blowing fuses door locks and cigarette lighter number 13 fuse all the time it blows i unpluged everything

same with me its teh park lamps fuse under the hood

my 1998 lumina power door locks keep clicking off and on while the car sits idle and shut off........What should i look for?

my key is stuck in the ignition switch how do i get it out?

My 99 Chevy suburban recently had the service 4wd light come on, now I'm having problems sounds like transmission but sum say it could b a sensor

2007 Chevy Cobalt. The anti theft light keeps coming on. Problem is the car has no anti theft system in it. The gauges start acting erraticly, the digital screen scrolls thru ice possible, low fuel, power steering. Then you can feel the car start

My key wont go in all the way just enough to have the headlights on and such but does not turn and is difficult to put in

1997 chevy blazer headlights go off when i push the emergency brake in

why does my anti lock alarm keeps going off 5 beeps every 15mins

2004 astro van it sometimes will start everytime for days, and all of a sudden I have to hold the key in the on position for 3-5 min and then it starts. can someone who has a astro van and has had the same problem tell me whats needed to fix it.</</p>

Got a 1989 chevy pickup truck that the tail lights dont work. good bulbs and fuses what else could be the problem

My turn signals and flashers have stopped making that classic Chevy ticking sound when they are on in my Cobalt. Also, some times the windows won't roll down. Twice now my car has done nothing when I turned the ignition. An auto tech told me this

1997chevy astro hazard,bottom brake n signals do not work,my top brake light works,but ihear a clicking sound under my brake pedal

MY 07 CHEVY COBALT TAILLIIGHTS AND BRAKE LIGHTS ARE NOT WORKING AND FUSES ARE GOOD WHAT ELSE COULD BE WRONG

PARKING AND TAILLIGHTS ON MY 07 CHEVY COBALT ARE NOT WORKING BUT FUSES ARE GOOD WHAT ELSE COULD IT BE

My rear lights on a '94 Silverado do not work. The head lights work. The signals work a normal pulse, but when the lghts are turned on, or the brake is applied, they begin to pulse quickly.
All lights have been checked, with even repalcing the

I have a 2004 chevy venture and my instrument panel lights went out while driving. now my back light also do not work. what fuse should i change