Question about 1999 Lincoln Town Car

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How do I replace the small instrument panel dimmer switch on the dashboard under the headlight switch?

This small switch regulates the illumination of the dash, temp control, radio and speedo. The switch is broken and is located under the automatic headlight switch which is located on the dashboard, not on the turn signal. How do I access this?

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  • Contributor
  • 48 Answers

Panel should pop off when gently pried.

Posted on Nov 07, 2013

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Posted on Jan 02, 2017

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  • 193 Answers

SOURCE: 1989 Lincoln Town Car Heater core

Go to Autozone and purchase a Clymer repair manuel. It will show how to remove the dash. You need to find all the screws.

Posted on Nov 22, 2008

fredcause
  • 51 Answers

SOURCE: dash lights are dim and left side of odometer is dark.

you have one or two bulbs burnt out that can be changed with the dash face removed generally possibly from behind

Posted on Dec 08, 2008

godspeed808
  • 125 Answers

SOURCE: No interior lights

theres a in dash lighting switch you need to replace

Posted on Feb 04, 2009

inhisname
  • 76 Answers

SOURCE: 1989 Lincoln towncar cartier with electronic dash

hello, this is posaably a bad or loose ground in the circuit, it could even be in the headlamp switch itself. does the problem exist in the high beams as well?......good luck, marty

Posted on Jun 07, 2009

jim9813
  • 124 Answers

SOURCE: Park/Tail lights not working. Brake/signals are

Before going ahead and spending money on a new module, test it first. The module is located under the steering column. You'll find a Brown wire on one of the connectors (i just looked at a wire diagram). Do no disconnect anything. Back probe the brown wire, which is the power feed to your park lights. With the lights off, there should be 0 volts on you voltmeter. Turn the park lamps on, There should be 12V. If there is not 12V, disconnect the connector and try to check voltage at the pin that feeds to the brown wire, if still not 12V, replace the module. If you do get 12V, then module is ok, find where the 12v is being dropped before making it to the lamps.

Posted on Aug 09, 2009

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2005 cavalier dash lights not working. all fuses are goood. replaced cluster, dimmer switch, multifunction switch


Back lighting or warning lights ? check engine , ABS , air bags , seat belt , oil light etc... ?
Interior Lamps Dimming
The second group includes lamps which may be dimmed. This group may use a combination of vacuum fluorescent (VF) illumination and incandescent lamps.
• Power window switches
• HVAC control head assembly
• Radio
• The instrument panel cluster (IPC)
When the ignition switch is turned to the ON position, the vacuum fluorescent (VF) display (radio) turns on at maximum brightness. When the park lamps are ON all incandescent back lighting turn ON at the dimming level indicated by the IP dimmer switch. At the same time all vacuum fluorescent (VF) displays dim to match the indicated dimming level. When the headlamp switch is placed in the PARK position, the park lamp supply voltage circuit provides an input to the body control module (BCM). The BCM then supplies voltage to the instrument panel dimmer switch through the instrument panel dimming lamps control circuit. The setting of the instrument panel dimmer switch determines the amount of voltage that the instrument panel dimmer switch supplies to the BCM through the instrument panel dimming lamps low reference circuit. The BCM then sends a pulse width modulated (PWM) voltage to all the interior lamps. All the vacuum florescent (VF) and incandescent back lighting lamps are provided a specific voltage and are then grounded. When the headlight switch is turned to the PARK or HEADLAMP position, all incandescent back lighting turn on at the dimming level indicated by the IP dimmer switch. When the IP dimmer switch is moved from MIN to MAX, all vacuum fluorescent (VF) displays, as well as all incandescent back lighting respond from Minimum intensity to maximum brightness in response to the IP dimmer switch.

I would have it checked for DTC'S - diagnostic trouble codes stored in the BCM !
DTC B2624 Display Dimming Input Range/Performance
The body control module (BCM) supplies voltage to the instrument panel dimmer switch through the instrument panel dimmer switch signal circuit. The dimmer switch varies the voltage and returns the new voltage to the BCM through the dimmer switch signal return circuit. The BCM uses this voltage to determine the illumination level of the instrument panel lamps.

DTC B2625 Display Dimming Pulse Width Modulation (PWM) Output Circuit Range/Performance
The body control module (BCM) receives a variable voltage from the instrument panel (I/P) lamp dimmer switch. The BCM uses this signal in order to vary the illumination level of the I/P lamps. The I/P dimming lamps output from the BCM is a pulse width modulated voltage supply used to light the I/P lamps. If a malfunction occurs in the I/P dimming lamps output circuit, this DTC is set.

DTC B2662 Park Lamp Switch Circuit Malfunction
The park lamps are controlled by the turn/headlamp switch. Positive battery voltage is supplied to the switch through the EXT LP fuse. When the turn/headlamp switch is placed in the park or head position, battery voltage is supplied to the park lamps. The body control module (BCM) is also connected to the park lamp circuit to sense whether or not the park lamps turn ON when the low beam or high beam headlamps are turned ON. The BCM also uses the parklamp battery positive voltage to power the instrument panel (I/P) dimmer output circuit. If the BCM senses that the low beam or high beam headlamps are ON and the park lamp input is not active, DTC B2662 sets.
Do the park lamps work ?

Jun 11, 2017 | Cars & Trucks

1 Answer

Fuse box place for dashlights on ford escape 2008


Principles of Operation
The instrument cluster sends a signal to the instrument panel dimmer switch. The instrument cluster provides a variable pulse width modulated (PWM) signal to the dimmable backlighting components in accordance with the position of the instrument panel dimmer switch.
  • The instrument cluster illumination is inoperative
  • Instrument cluster
  • INSTALL a new instrument cluster. REFER to Section 413-01 . TEST the system for normal operation.
SJB -location below center of instrument panel
Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect the following for obvious signs of mechanical or electrical damage.

    Visual Inspection Chart Mechanical Electrical
    • Instrument panel dimmer switch





    • Smart junction box (SJB) fuse(s):
      • 7 (10A)
      • 15 (30A)
    • Circuitry
    • Illumination bulbs
    • Instrument cluster
    • SJB

Nov 18, 2015 | Ford Cars & Trucks

1 Answer

Why don't lights work?


Both the headlight switch and the BCM provide a ground, or control circuit, to the headlight relay coil circuit for manual or automatic headlamp operation. When you place the headlamp switch in the OFF position, and the ambient light sensor indicates low light conditions, the BCM energizes the headlamp relay for low beam operation. You may switch the headlights to high beam by pulling the dimmer switch handle toward you until the dimmer switch is activated. When the dimmer switch is placed in the HIGH position, the indicator lamp input to the BCM is pulled low. The BCM then sends a class 2 message to the instrument cluster in order to illuminate the high beam indicator lamp.
Low and High Beams Headlamps Inoperative ?
Replace the headlamp switch. Refer to Headlamp Switch Replacement .
Did you check the headlamp relay ? Location ,left instrument panel
Did

Nov 11, 2015 | 2001 Chevrolet Monte Carlo

1 Answer

1994 silverado illumination on instrument panel doesn't work, parking lights and tail lights do not work but headlights and brakelights work fine. All fuses are good. Is this a bad dimmer switch?


No. Dash lights being out could be a bad headlight switch, since the dash lights are routed through the headlight switch, not the dimmer switch. Park and tail lights also controlled by the headlight switch.

Oct 23, 2012 | Chevrolet Cars & Trucks

1 Answer

I own a 1999 Buick Regal GSE with 94K miles. I recently noticed that my dashboard lights sometimes come on, and sometimes don't. Sometimes, during the day, if my dashboard lights are on, and I pull out...


In the 99 Regal, the headlamp switch is also the dimmer switch for the instrument cluster.
With the headlights on, try rotating the switch to bring up the "nighttime" intensity.
If the headlight switch has a pre-set dimming function for the instrument cluster lighting (in other words, not adjustible by rotating the knob), then
replacement of the headlight switch would be the only way to fix the instrument cluster lighting problem.
See Wiring Schematic below.
Fig.1 - 99 Regal Headlamp switc & Instrument Cluster Lighting
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Then viewed/enlarged in Microsoft Windows Media Player or RealNetworks RealPlayer.

Sep 05, 2011 | 2002 Buick Century

1 Answer

The dashboard lights do not turn on with the


operate your instrument panel dimmer switch. If this does not rectify the problem replace dimmer switch

Mar 21, 2010 | 1992 Mazda 323

1 Answer

I need to change the bulb in the analog clock in my 1999 Lincoln Towncar. How do I go about getting to it without tearing apart the dashboard?


you need a special tool to get the radio out. It has pins that spread out spring clips so the radio can pull out.

please rate as solved if this helps.

SECTION 413-00: Instrument Cluster and Panel Lighting — General Information 1999 Town Car Workshop Manual
REMOVAL AND INSTALLATION Bulb —Electric Clock
Special Tool(s) Radio Removing Tool
T87P-19061-A

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Removal
  1. Disconnect the battery ground cable.
  1. Pull out the radio using Radio Removing Tool.
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  1. Remove the radio.
    1. Disconnect the electrical connectors.
    1. Disconnect the antenna cable.
    1. Remove the radio.
  1. Remove the instrument cluster finish panel bolts.
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  1. Remove the instrument cluster finish panel bolts.
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  1. Pull out and position aside the instrument cluster finish panel.
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  1. Disconnect the electric clock electrical connector.
  1. Remove the instrument cluster finish panel.
    1. Disconnect the headlight switch electrical connector.
    1. Disconnect the dimmer switch electrical connector.
    1. Remove the instrument cluster finish panel.
  1. Remove the electric clock illumination bulb.

Apr 23, 2009 | 1999 Lincoln Town Car

1 Answer

No instrument panel lights on 1995 Nissan King Cab


Ye, the dimmer switch still works.

I know this because, when I turn on the left direction flasher, the panel lights pulse dimly on and off with the direction light flasher.

Do I have a defective direction light flasher? if so where is it located?

Nov 24, 2008 | 1995 Nissan King Cab

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