this model has a coil bolted to the firewall and within this coil is a ignition module built in and i suspect this coil has broke down and this is causing your problem
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Before you start replacing parts ,need a little more information . Maybe able to save you some time an money . Does the horn work when you push the horn button , does the air bag light stay lit in the instrument cluster ? The button lights for the bottons on the steering wheel are lit by the BCM - body control module . 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.
When the ignition switch is turned to the RUN position, the radio's vacuum fluorescent (VF) displays turn on at maximum brightness. When the park lamps are on, all incandescent back lighting turn on at the dimming level indicated by the I/P dimmer switch. At the same time all vacuum fluorescent (VF) displays dim to match the indicated dimming level. The panel dimmer switch potentiometer is an input to the BCM. When the driver selects a dimming setting by moving the I/P dimming switch potentiometer, all incandescent back lighting lamps are provided with a specific voltage. When the I/P 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 I/P dimmer switch.
The following switches and components have back lighting when the park lamps are on:
• The instrument panel cluster (IPC)
• Radio, front and rear
• Window and heated seat switches
• Garage door opener switch
• Selectable ride switch
• Roof beacon switch
• Power take off (PTO) switch
• Headlamp leveling switch
• Rear wheel steering mode select switch
• HVAC control assembly
• Headlamp and panel dimmer switch
• Transfer case shift control switch
• PSIR disable switch
• PRNDL lamps
• Traction control switch
• Steering wheel control switches
• Fog lamp switches
Could be the clock spring inside the steering coulmn ,under the steering wheel if horn doesn't work ,air bag light lit etc...
I don't have that car to check, but if the brightness isn't also controlled by the contrast setting of the overall dashboard, it's probably not adjustable.
Warning: 1995 and later models are equipped with an airbag. Always turn the steering wheel to the straight ahead position, place the ignition switch in Lock and remove key, then remove the airbag fuse and unplug the yellow Connector Position Assurance (CPA) connector at the base of the steering column before working in the vicinity of the impact sensors, steering column or instrument panel to avoid the possibility of accidental deployment of the airbag, which could cause personal injury. The yellow wires and connectors routed through the instrument panel are for this system. Do not use electrical test equipment on these yellow wires or tamper with them in any way while working under the instrument panel. Caution: On models equipped with a Delco Loc II anti-theft audio system, be sure the lockout feature is turned off before performing any procedure which requires disconnecting the battery.
The turn signal switch function is incorporated into the multi-function switch, along with the wiper/washer and headlight dimming controls.
Disconnect the negative battery cable. Remove the steering column covers and the drivers knee bolster.
Remove the two Torx screws securing the multi-function switch to the top of the steering column.
Clip the wire-ties securing the multi-function switch harness to the other steering column wires.
At the bottom of the steering column, remove the bolt securing the large bulkhead electrical connector to the firewall.
Separate the two multi-function switch connectors from the large bulkhead connector.
The multi-function switch and its harness must be replaced as a unit.
TO REMOVE CRUISE CONTROL SWITCH. FIRST TURN OFF RADIO TO KEEP FROM LOSING CODE. DISARM AIRBAG IN THE STEERING WHEEL BY REMOVING NEGATIVE BATTERY CABLE WAIT 20 MINUTES FOR AIRBAG TO DISCHARGE BEFORE REMOVING AIRBAG AND HORN PAD IN STEERING WHEEL.ONCE AIRBAG IN STEERING WHEEL OUT.YOU CAN REMOVE THE CRUISE CONTROL SWITCH.BECAREFUL REMOVING AIRBAG IN STEERING WHEEL CARRY IT AWAY FROM BODY WITH AIRBAG HORN PAD POINTING UP.IF YOU DROP IT.DONT PUT IN BACK IN STEERING COULD DEPLOY ON INSTALLATION.
Test the leads to the bulbs while the low beams are on and then when the brights are on. If you have good bulbs & fuses with no power on low, the problem is most likely the bright/dim switch.
Not exactly sure of the Acura layout, but the covers over the steering shaft should remove with several screws to allow access to the switch (usually the turn signals are also the bright/dim switch) Test the leads out to the headlights from the bright/dim switch, that will tell you if the switch is bad.
Airbags are closely involved with this removal/replacement, it is NOT recommended for a amatuer to undertake.
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