Vizio GV42L 42 in. LCD Television Logo

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Anonymous Posted on Sep 06, 2014

Turns on not signal

Turns on but can get signal from any input

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1answer

2008 Buick Lacrosse. The passenger front parking light does not come on, but the turn signal works.

Possibly bad ground connection - G100
In back of the right headlamp on the frame. Headlamps, turn signals, parking lamp for the right all ground at that point. Corrosion in the wire, broken park lamp wire.
Headlamps, turn signals, parking lamp all have their own ground wire that connects at that point.

Hooking up a professional grade scan tool an check for DTC'S - diagnostic trouble codes in the BCM - body control module may point in a diagnostic direction.

DTC B3949: Right Front Turn Signal
Right Front Park/Turn Signal Inoperative

Circuit/System Description
The Body Control Module (BCM) controls the turn signals based on an input from the turn signal switch, part of the multifunction turn signal lever. The BCM receives an input from one of two signal circuits to determine which turn signal function is requested. When the turn signal lever is placed in the LEFT position, the left turn signal switch signal circuit is grounded indicating that left turn signal operation is requested. When the turn signal lever is placed in the RIGHT position, the right turn signal switch signal circuit is grounded indicating that right turn signal operation is requested.
When a turn signal input is received from the turn signal switch, the BCM will activate the appropriate turn signals. The BCM pulses voltage to the applicable turn signals via the turn signal lamp supply voltage circuits, illuminating the required turn signal lamps.

B3949
A short to voltage, short to ground, or an open/high resistance is seen on the right front turn signal lamp supply voltage circuit.

You know how to test electrical circuits? Using voltage drop.

watch these videos

Fix Electrical Problems by Understanding Voltage Drop Testing - YouTube

Mastering Voltage Drop Testing with Pete Meier and "G" Jerry Truglia - YouTube

Learn how to test, not guess.

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1answer

Why my blinkers dnt work but hazards do in 00 Pontiac Bonneville

You have no clue, guessing won't fix it , having wiring diagrams an using a DVOM - digital volt ohmmeter will. Testing an reading how they are suppose to work will. factory service info.

Turn Lamps
Battery positive voltage (B+) is supplied at all times to the turn signal/hazard flasher module in the hazard switch assembly from the rear fuse block T/SIG HAZ Fuse. The turn signal/hazard flasher module is permanently grounded. Battery positive voltage (B+) is supplied with the ignition switch in the ON or START position to the turn signal switch in the instrument panel from the rear fuse block IGN 1 Fuse.
When the turn signal switch is placed in the position to indicate a LH turn battery positive voltage (B+) is input to the turn signal/hazard flasher module Left Turn Input. In response to this input the turn signal/hazard flasher module supplies battery positive voltage (B+) in an on and off flashing pattern to the LH turn lamps and the instrument panel cluster (IPC) LH Turn Input. The LH turn lamps are permanently grounded so the LH turn lamps light when they have power, ground and turn off while power is removed. The IPC will also light the LH turn indicator.
When the turn signal switch is placed in the position to indicate a RH turn battery positive voltage (B+) is input to the turn signal/hazard flasher module Right Turn Input. In response to this input the turn signal/hazard flasher module supplies battery positive voltage (B+) in an on and off flashing pattern to the RH turn lamps and the IPC RH Turn Input. The RH turn lamps are permanently grounded so the RH turn lamps light when they have power and ground and turn off while power is removed. The IPC will also light the RH turn indicator.

Did the turn lamps operate properly?
--
Go to Step 3
Go to Turn Signal Lamps and Indicators Inoperative - One Side
3
Disconnect the instrument panel cluster (IPC) connector.
Connect a test lamp between the inoperative turn signal input circuit at the IPC connector and a good ground.
Turn ON the ignition, with the engine OFF.
Move the turn signal switch to the inoperative turn position.
Does the test lamp turn ON and OFF with the turn signal lamps?


You people need to quit trying to play auto mechanic , you have no clue about automotive electrical circuits .
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2answers

Turn singles and hazards are not working on my 2001 deville

I would replace the turn signal hazard combo switch.
0helpful
1answer

Why would the tv say no signal

If you have selected an external input and there is no device connected and turned on, the TV will give this indication. Select another input (TV, HDMI, Video), or connect and turn on an external device. When there is a signal to the selected input, the "no signal" indication will go away, assuming the input is working correctly. I hope this helps.
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1answer

Searching for signal

DVI and HDMI are the exact same signal, except that DVI doesn't include the provision for audio. Essentially the problem you're having is that you have the monitor set to auto input rather than HDMI input or DVI input. Setting the monitor to not look for any input you plug in and defining the input should cause the hunting wait to be eliminated.
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1answer

My tv says no signal

Either there is no signal or the signal input you chose on your tv is not correct.
Check the signal cable / turn on your set top box/dvd player/or what ever hooked up to your tv.
If that is OK, proceed with trying different inputs on your tv by pressing input key on your remote commander.
1helpful
1answer

WE ARE TRYING TO GET TELEVISON RECEPTIOB BUT WE GET "NO SIGNAL INPUT COMPONENT 5 AND THEN IT POWERS OFF". WE HAVE A PIONEER PDP 425 MX. I HAVE TRIED TO USE ONLY INPUT 4 BUT TV WILL NOT STAY ON...

The reason your tv is powering down is that it is not receiving an input signal on the channel (input). basically you don't have anything plugged in and turned so the tv doesn't see a signal on component 5 so it shuts the tv off. turn on your TV and hit the input button until you get to the input that you are have a device installed on. just make sure the device you are trying to see on the tv is turned on prior to turning on your tv.

If you do not have an and device plugged in (cable or other input device), plug something in to an input and turn the device on so a signal is being sent to the tv and then turn on your tv and change the channel to that input.

if you are locked on input 5, install and turn on a device to that input so the TV registers it as an active input.
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1answer

The screen is black and a little box that says no signal is moving around on the screen

Check your inputs. The no signal box means exactly that - there's no incoming signal for the TV to decode. So you've either disconnected a cable somewhere or turned off your input device.
Try changing the inputs on the TV (this will be a button saying input or A/V)
Try changing the channels
Check that your cables are correctly connected and that whatever you are trying to use (dvd player, PS3, etc) is turned on.
Check that your TV is tuned to the corresponding input it is plugged in to (if you plugged your DVD player into HDMI input 8, tune your TV to input 8)
Hope this helps.
2helpful
1answer

While trying to change channels, my t.v. displayed ''no signal'' and then shut itself off. Now, when I turn it on, it says no signal and turns itself off after a few seconds.

Turn the television on and as soon as the screen turns on repeatily press the input button or change the input to whatever input you are using from a source device. As long as you change it to anything other than RGB.

Your television is essentially a big computer monitor with multiple inputs and a tuner. When using your computer and shutting it down the monitor will go in a power save mode. You don't need to shut off your monitor due to this power saving mode. When you power up your computer your monitor automatically turn on.

With the VIZIO and the RGB (computer) input the television will act just like a computer monitor. When you have a computer connected it will power down automatically when you shut off your computer. When you turn your computer on the VIZIO will automatically come out of standby mode. This is through RGB only.

This is normal operation for the VIZIO but can see confusing when nothing is connected to the RGB input. If you change your television input to RGB it will sense no signal on the input and will go into standby mode after about 5 - 10 seconds. If you were to send a signal to the television through RGB it would automatically kick on.
2helpful
4answers

No signal

mine did the same thing...it was on rgb...didn't have ability to plug in computer to tv as suggested previously and I kept trying to hit input button on side of tv after turning tv on..didn't work but when I pushed input button before turning on tv when i turned on tv input screen was up and was able to move input to hdmi...everything works now.
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