Question about 2004 Ford F150

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2000 F150 Lariet instrument panel lights inop.

All gauges, automatic headlights, exterior lights and dome light works.

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  • afcdolphins Sep 04, 2009

    Yes, the only part of the dimmer portion of the light switch that works is to turn on the dome light. No instrument lights at night.

  • jtcorbeil May 11, 2010

    Is this the back light your talking about that illuminates when at night?

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Ford 2008 F150-4.6 auto trans, column shift. Radio, mirrors, windows, gauges, dome lights quit. Headlights, tail & stop lights work. Battery 12.6 volts disconnected. 14.2 connected and running.


First Zach , you need to know how all this thing's work ! The gauges get info over serial data bus from SJB - smart junction box which gets the info from the PCM - engine computer . All this is designed to cut down on wiring , Coolant temp . fuel gauge sending unit , vehicle speed sensor , tach etc. are all inputs to the PCM .The PCM sends this info on the C.A.N. data bus where the instrument cluster microprocessor reads the data and moves the gauges ! The light's also are controlled by the SJB -body computer . The light's are PWM pulse width modulated - How to Diagnose Controller Area Network CAN The first place is to start by hooking up a diagnostic scan tool an check for DTC'S diagnostic trouble codes . The last Ford i had in my bay was a 2006 explorer . had this type problem , had U codes communication problems . Vehicle needed a new SJB $899 buck's an then it had to be programmed , another $300 .This is something you need to take to a qualified repair shop . Who know how it works and what to check and how to check it .
It could be as simple as a lose ground wire . But are you prepaired to take the instrument panel out to get to it .

Dec 08, 2016 | 2008 Ford F-150

1 Answer

2003 Pontiac Vibe no tail lights, brake lights and turn signals work just fine. The dimmer switch does not dim the dash lights but does work the dome just fineand the lights for the Heat/AC are off.


The tail lights work off the headlight switch, and there is a fuse for the tail lights. Make sure the fuse is good, first, a 15 amp (blue) fuse in the instrument panel fuse block. Then, you might have a bad headlight switch.
So you DO have dash lights, they just don't dim from the dimmer switch? In the wiring diagram, there is a green wire from a "tail light relay" (in the "Junction Block-Right Instrument Panel") that carries power to all the exterior lamps, as well as having a splice to the Instrument Panel Cluster (illum. bulbs), and to the lamp dimmer, and to the radio bulb.
To do any further testing, you would need a voltmeter or a test light, so you could chase down this power loss. Good luck.

Oct 17, 2016 | 2003 Pontiac Vibe

1 Answer

On a 99 grand am the gas gauge allways reads empty what is the color is the ground wire for the gas gauge


It's not the ground wire , the gauge grounds inside the instrument cluster .Your sending unit or the gauge it's self is bad .
Body Control System Operation
The Body Control Module (BCM) performs the following functions:
?€¢
Gauge control


?€¢
Instrument cluster indicator control


?€¢
Fuel gauge control


?€¢
Temperature gauge control


?€¢
Theft deterrent


?€¢
A/C compressor request


?€¢
A/C cooling fan


?€¢
Exterior and interior lighting control for the following lamps:


-
Daytime Running Lights (DRL)


-
Automatic lighting control


-
Fog lamps


-
Interior lighting


?€¢
Battery rundown


?€¢
Chime


Gauge Control
The Body Control Module (BCM) receives Class 2 serial data messages from the Powertrain Control Module (PCM) to determine the following gauge information:
?€¢
Engine coolant temperature


?€¢
Fuel level sensing


Your best bet is to take your vehicle to a qualified repair shop !
Fuel Gage Inaccurate or Inoperative

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Select the PCM display DTCs function on the scan tool.
Does the scan tool display any DTCs?
--
YES - Go to Diagnostic Trouble Code (DTC) List (2.4L) or Diagnostic Trouble Code (DTC) List (3.4L) in Engine Controls
NO - Go to Step 3

3

With the scan tool, select Instrument Panel Cluster, Special Functions and command the fuel gauge UP.
Does the fuel gauge complete a full sweep when commanded?
--
YES - Go to Step 4
NO - Go to Step 12
  1. Turn OFF the ignition.
  2. Disconnect the fuel level sender.
  3. Connect the J 33431-C Signal Generator and Instrument Panel Tester between the signal circuit of the fuel level sender and the ground circuit of the fuel level sender.
  4. Turn ON the ignition, with the engine OFF.
  5. Important: Verify the J 33431-C resistance setting with a DMM.
  6. Set the resistance on the J 33431-C to 40 ohms.
Does the fuel gauge display at or below empty?
--
YES - Go to Step 5
NO - Go to Step 6

Jul 28, 2016 | Pontiac Grand Am Cars & Trucks

2 Answers

Chevy trailblazer problems


its either a bad door switch,or could be the dome override switch by headlight switch,or your interior light switch is all the way up

May 01, 2014 | 2004 Chevrolet TrailBlazer

1 Answer

Interior lights and exterior parking lights and tail lights dont work and all the fuses are good


sounds like your light switch is bad..that's the only place all those share in common.

Jan 11, 2013 | 1986 Nissan Pickup 4WD 1986

1 Answer

The dash lights went out on my 2000 Buick Lesabre Custom. It doesn't have the heads up display or remote locks, though they are power. All the other lights work fine, the computer displays work, and when...


Sounds like you have some confusion going on here.
The dash lights and tail lights have always been on different circuits and fuses. So if one set of lights fail, the other stays on unless the headlight switch blows up.
The fuse marked "instruments" is for the speedo and gas gauge, not the lights.
On your car there is an instrument panel module and a dash integraded module which both involve the dash lights.
You may need a shop manual to get the wiring diagrams and test procedures for this circuit.
Another thing - after 1998 most cars and trucks switched from having the headlight switch provide power to having them provide the ground connection.

Apr 22, 2011 | 2000 Buick LeSabre

1 Answer

I have a 1983 Chevy S10 pickup. With headlights off all gauges work normal. When you pull the headlight switch on all the panel lights except the windshield wiper switch locator light never turn on and all...


take a look at the dash ground wire located next to the right of ebrake release handle. if the bole holding the ground wire is loose, which was quite common it will cause all kinds of feed back problems, like described in the comments section to your question.

Dec 11, 2010 | 1983 Chevrolet S-10

1 Answer

Instrument panel lights will not work after new battery was installed. Previously, When door was opened one could hear static noise and flickering of instrument panel lights. Battery was checked and was no...


Hi 1987 Honda Civic lihgts on instrument panel. New Battery. and replaced blower unit but lights on panel not working. I am yet to install stereo unit which was taken out by previous owner - very roughly ! Wondering if not having stereo will effect instrument panel lights. Cheers Steve

Nov 22, 2009 | Chevrolet Impala Cars & Trucks

1 Answer

F 150 supercrew lariet 2001 lost instrument lights, brake lights


Removing a relay can cause all kinds of problems. The door ajar switch may have just need to be sprayed with a lubricant to unstick it so the lights would go off.reinstall relay to see if concers goes away.

Feb 01, 2009 | 2001 Ford F150 Styleside SuperCrew

1 Answer

Gas gauge no longer works


The light behind myRemove the cluster bezel from the instrument panel. See Cluster Bezel in this group for the procedures.
Remove the four screws that secure the instrument cluster to the instrument panel Instrument Cluster Remove/Install
Pull the instrument cluster rearward to disengage the two self-docking wire harness connectors
NOTE: The instrument cluster has two self-docking wire harness connectors that will be automatically aligned with, and connected to the instrument panel wire harness when the cluster is installed in the instrument panel.
Remove the instrument cluster from the vehicle.
Reverse the removal procedures to install. Tighten the mounting screws to 2.2 N·m (20 in. lbs.)
when I turn my headlights on. All the other gauges are lit, but not the gas gauge. How do I get in there to replace the bulb and fix this? Or is it a fuse problem? I have a 1998 jeep scout Thanks

May 14, 2008 | 2007 Jeep Scout

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