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Electro luminescant dash lights many out including the A/C Heat control head. What's tyhe fix? Help

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  • Cars & Trucks Expert
  • 207 Answers

Year,Make & Modle vehicle ??

Posted on Dec 11, 2014

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

fixitriteman
  • 431 Answers

SOURCE: 2006 Sonata, first the low beam head lights went

this sounds very suspicious it is possible all the light just brunt out BUT very unlikely check fuses and test lights if lights or fuses are bad ? then test alternator volt regulator that it is not putting out too much volts not over 15v if that is OK then their is A short ! fore short you will need A weiring schematic PS. let us know please.

Posted on Mar 18, 2010

caroldon
  • 17129 Answers

SOURCE: all lights flicker a little on my 2002 mercury sable

Possible that the main +12 or the ground from the battery terminals are making low contact. So it is best to remove the leads from the battery and clean then if dirty or else you can tighten the leads and the connection of the ground( negative) to the car chassis.
If the fault stays ONLYwhen the engine is working then the alternator and the charging regulator must be checked.
check ground of the relays in the relay box and the mountings.

Posted on Dec 19, 2011

suarezelec20
  • 259 Answers

SOURCE: The dash ac/heat control display lights don't work on my 2006 Ford expedition.

Most likely the bulb went out. Just pop out the panel and replace it.

Posted on Sep 24, 2012

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How do I DETERMAN WHAT IS WRONG my speedometer and rpm gauges aren't working


a fuse blew.
this car has an electronic dash cluster. (with brain)
first is fuses. (check them first) (2 of them)
second is scan it. scan the PCM for DTC error !

if rpm dies, for sensors the engine dies...
The PCM runs spark and injection off 2 sensor and RPM
if they die so does spark and injection.
the cluster has self test mode, try that first?
this proves the cluster is ok.
this is covered in the FSM for your JEEP

the WJ jeep
Chapter 8J covers all this.. to great details.
page 8
fuse 17 and 22 must be good. JB box, cab.

posted now 100 of times, here it is again.
quote
The instrument cluster actuator test will put the
instrument cluster into its self-diagnostic mode. In
this mode the instrument cluster can perform a selfdiagnostic
test that will confirm that the instrument
cluster circuitry, the gauges, the PCI data bus message
controlled indicators, and the electro-luminescent
illumination lamp (if equipped) are capable of
operating as designed. During the actuator test the
instrument cluster circuitry will sweep each of the
gauge needles across the gauge faces, illuminate each
of the segments in the Vacuum-Fluorescent Display
(VFD), turn all of the PCI data bus message-controlled
indicators on and off again, and turn the electro-
luminescent illumination lamp (if equipped) on
and off again.
Successful completion of the actuator test will confirm
that the instrument cluster is operational. However,
there may still be a problem with the PCI data
bus, the Powertrain Control Module, the Airbag Control
Module (ACM), the Body Control Module (BCM),
the Controller Anti-lock Brake (CAB), the Sentry Key
Immobilizer Module (SKIM), or the inputs to one of
these electronic control modules. Use a DRBIIIt scan
tool to diagnose these components. Refer to the
appropriate diagnostic information.
If an individual indicator lamp or the electro-luminescent
illumination lamp do not illuminate during
the actuator test, the instrument cluster should be
removed. However, check that the incandescent lamp
bulb is not faulty, that the bulb holder is properly
installed on the instrument cluster electronic circuit
board, or that the electro-luminescent lamp pigtail
wire connector is properly connected to the instrument
cluster electronic circuit board before considering
instrument cluster replacement. If the bulb and
bulb holder, or the electro-luminescent lamp connection
check OK, replace the faulty instrument cluster
unit.
(1) Begin the test with the ignition switch in the
Off position.
(2) Depress the odometer/trip odometer switch button.
(3) While still holding the odometer/trip odometer
switch button depressed, turn the ignition switch to
the On position, but do not start the engine.
(4) Release the odometer/trip odometer switch button.
(5) The instrument cluster will automatically
begin the actuator test sequence, as follows:
(a) The cluster will turn on, then off again each
of the PCI data bus message controlled indicators
(except Airbag) to confirm the functionality of the
indicator and the cluster control circuitry:
(b) The cluster will sweep the needles for each of
the gauges from minimum to maximum and back
to minimum to confirm the functionality of the
gauge and the cluster control circuitry:
(c) Only on models with a premium version of
the cluster, the cluster will illuminate the electroluminescent
lamp and turn it off again to confirm
the functionality of the lamp and the cluster control
circuitry.
(d) The cluster will sequentially step the odometer/
trip odometer VFD display from all zeros
(000000) through all nines (999999) to confirm the
functionality of all VFD segments and their control
circuitry, then display the software version number,
followed by "DONE".
(6) The actuator test is now completed. The instrument
cluster will automatically exit the self-diagnostic
mode and return to normal operation at the
completion of the test, if the ignition switch is turned
to the Off position during the test, or if a vehicle
speed message indicating that the vehicle is moving
is received from the PCM over the PCI data bus during
the test.
(7) Go back to Step 1 to repeat the test, if
required
end quote.


if this passes and fuses are good
then you may have DTC errors scanned
if you scan it and you see comminications error from PCM to cluster, well that be it. ... and am not going into THAT>here.

Aug 18, 2015 | 2004 Jeep Grand Cherokee Overland

1 Answer

2001 GMC Sierra 1500 fan is only working on 4 & 5 & the heater control is working intermittently.


The blower and temperature controls are independent if you have the manual system but they are integrated in the control head for the automatic version. The automatic version does not include a set of resistors. Do you know which system you have? If you have manual controls, I recommend you test the resistor with an ohmmeter. It's possible that your blend door actuator and resistor have failed independently. However, if you have the automatic system, your theory is as good as any. By the way, your wiring diagrams are available on autozone.com--they include both manual and automatic system schematics.

Jun 26, 2017 | GMC Cars & Trucks

1 Answer

2001 chrysler 300 dash light for a/c, temp, heater doesn't light up


Hi I'm glad to help!

What we have found at the dealership is some of the A/C Control Heads the lights can be replaced. Call the Chrysler Dealership and give them your VIN and see if the bulbs are offered by themselves. If they are get a hand full of them and pull the control head and fix it yourself to save money. NOTE: If the bulbs are not offered by themselves then your have to but the control head or just leave it the way it is. Hope this helps and have an awesome day.

Feb 15, 2013 | 2001 Chrysler 300M

1 Answer

Some dash lights on my 01 ranger don't work.the bulbs are good


Get an Auto Electrician to trace and fix the problem. There are partial contacts in the wiring system.

Dec 29, 2012 | Ford F-250 Cars & Trucks

1 Answer

2001 Civic dimmer not working


It's not high and low beam, it's the dash lights that are dim. I've hooked up many aftermarket radios but never knew it was a no no to hook up the dimmer/illumination orange wires in a '01 civic. I googled it and seen many others with similar issues like mine but nothing exactly like the issue I have.

All the dash lights work, they are dim though. The radio lights work but they are even more dim than the rest of the dash lights. I have check every single fuse under the dash and in the engine bay. The dim controller does not work at all now. I'm guessing that's the issue and from what I read, the dimmers circuit board is in the instrument cluster. Some can fix it, others can't.


I will probably end up buying a used instrument cluster off of ebay, they are not expensive. Hopefully that fixes it since everything else works.


Oh, yes, the brake lights work.


Ted, I think you answered the wrong question...I mentioned nothing about the battery or the low/hi beams

Aug 13, 2012 | 2001 Honda Civic

1 Answer

2001 CHEVY SILVERADO HEATER SWITCH INSIDE DASH


It may be your mode door that is not closing to make that transition to heat or your head unit has a leak(if controlled by vacuum) or if it is electronic then you might need to get a new one.

Jun 17, 2012 | Cars & Trucks

1 Answer

Heater doesn,t work. Controls on dash sometimes light up & sometimes doesn,t. All of my fuses are good. It seems to act up mostly in the morning. Sometimes if I turn my head lights on my gauges quit...


Morning Charlie,

If it were me, I would check the wires coming & going to & from engine. Maybe something is crossed. That's what it sounds like, anyways.

Oct 08, 2010 | 1996 Jeep Cherokee

1 Answer

No head lights but all other lights work including


you have a bad lighting control module. $499 new, $250 from tascafordparts.com or less from ebay or car-part.com.

It is under dash above brake pedal.

Section 17-01: Lighting, Exterior 1995 Town Car, Crown Victoria, Grand Marquis Workshop Manual
REMOVAL AND INSTALLATION Lighting Control Module Removal and Installation
  1. Open hood. Disconnect battery ground cable .
  1. Disengage three pushpins and remove lower driver side instrument panel finish panel.
  1. Locate lighting control module above accelerator pedal.
  1. Disconnect bottom two electrical connectors from lighting control module.
  1. Remove two screws retaining LCM to bracket and unclip from bracket.
  1. Remove lighting control module from bracket and disconnect two remaining electrical connectors.
  1. To install, reverse Removal procedure. Check lighting control module for proper operation.

Mar 15, 2009 | 1995 Lincoln Town Car

1 Answer

Front heater not working


it is probably the control head. gm had lots of problems with control heads

Nov 28, 2008 | 1995 GMC Suburban

2 Answers

2004 Ford F-150 Lariat 4x4


Hey Boise007,try this.Disconnect the negative battery cable for about 3 minutes.Then reconnect it and try turning the a/c on again.if the lights stop flashing and the a/c starts working properly,the problem will be the a/c control heas itself.

Sep 26, 2008 | 2004 Ford F150

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