With that said, you can use this procedure to diagnose failed headlight dimmer switches. Lately, the amp gauge failed however amperage is not affected. To be sure you need to do some electrical test to know for sure! That's not how you find a short, that's for parasitic draw finding. Go to Step 19 Go to Step 15 11 Inspect for a poor connection at the harness connector of the underhood fuse block. After 5 minutes of resetting the instruments, the gauges will reset. Go to Step 7 yes Go to Step 11 no Test the headlamp relay output circuit of the headlamp relay for a short to ground. Dealer has not been able to fix though many service notes exist.
With that said, you can use this procedure to diagnose failed headlight dimmer switches. I agree I'd try a junkyard switch for confirmation. I pulled a friends switch and tried it for a night in my truck, it fixed it. The contact stated that the instrumental panel failed and the gauges were not reading accurately. Dash Lights Broken with an Aftermarket Radio I'm sure you realize that when you turn on your headlights, it changes the back lighting for the radio display.
I can not find fuse 9 because the label on the lid does not show numbers for the fuses. My next action is a class action law suit. Here we'll talk about what it takes and how much it costs to fix this problem. From the wiring diagram all this doesn't make sense. It's not registering any speed.
I have tried turning on and off, leaving off and restart. Did you find and correct the condition? The headlamp low beam relay will apply voltage to illuminate the headlamps. Unfortunately, this will need diagnosis on a case-by-case basis, because of the different power requirements for the different aftermarket radios. Oil pressure gauges max out as well. Blown fuse means short circuit. While driving, outside rear view mirrors would retract for no reason.
Happens 5 times within a 30 mile trip. The failure mileage was 138,000. Thank you in advance, Robert Compton Electrical problem 2005 Chevy Silverado V8 Four Wheel Drive Automatic 85,000 miles The Brake lights on the bed dont work, also the trailer connection isnt working. I just hit the dash under the light control module and the lights come right back. Also, the headlights turned on and off independently, the speedometer and temperature gauges showed inaccurate readings. Couldn't have done it without this sight! Here we'll talk about what it takes and how much it costs to fix this problem. You can often fix this by removing the fuse panel and repairing the terminal from the backside.
So basically you have no background lights in any switch, control panel, etc. For whatever reason, the interior lights dim on and off randomly when driving down the road, at random times, but not all the time. Your best bet , take it to a qualified repair shop. From looking at my wiring diagrams 02 the Body Control Module controls the dimming circuits based on the input from the light switch. Instrument clusters are very important for safety in many ways. Maybe a class action lawsuit is in order? There could be a yellow wrench symbol on the instrument cluster or a service vehicle soon light or a message in the message center if yours has one! Shift indicator no longer worked and I was unable to determine what gear the car was in. The illumination fuse mentioned above can suffer from a power input problem.
Any ideas would be appreciated. Check for lose connection at headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. I see that this is a common issue with these vehicles. Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 3 Is only one low beam headlamp inoperative? I went through the same process again and it hasn't worked since. The approximate failure mileage was 96,000.
Battery positive voltage is then applied from the fuses through the headlamp supply voltage circuit to the headlamps. There are relays involved also ,but don't think there at fault. Did you complete the replacement? Ok thought I had it now. I'd look underneath the box for some non-factory wiring, and check and clean the termination points. I will check that fuse tomorrow.
If you want to see what else we cover here visit. The current and failure mileages were approximately 49,000. Supposedly, there was a recall for 2003 and 2005 models having problems with their speedometer. Part stores can't read body codes , dealer or independent repair shop. The engine had already been running about 5-6 minutes at this time.