This category on the website [ Switches and Wiring ] we are giving you all of the information related to the individual switches in the Buick Turbo Regal, along with the associated wiring, connector plugs, etc.
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VEHICLE APPLICATION:
Buick Regal, T-Type, Turbo T, Limited, Grand National, GNX
SWITCH NAME:
Headlamp Dimmer Switch
PURPOSE OF SWITCH:
turns on/off the high beam head lights
turns on hi beam indicator light
TURNS ON-OFF / FUNCTIONS / USED WHEN:
on the left side of steering wheel, high beam headlights turn on/off when you pull the (multi-purpose; turn signal stalk) lever towards you
LOCATION IN VEHICLE:
switch is on the top of the steering column
ORIGINAL GM PART NUMBER:
?
SWITCH / BASE COLOR:
metal base, white connector with brass tabs
CONNECTOR PLUG COLOR (SWITCH SIDE):
black
WIRES ATTACHED (SWITCH SIDE):
n/a
CONNECTOR PLUG COLOR (HARNESS SIDE):
white
NUMBER OF WIRES ATTACHED (HARNESS SIDE):
3
COLOR & PURPOSE OF (HARNESS SIDE) WIRES:
yellow “C”, goes to headlight switch (“C” and “D” park or head lamps “ON”)
(connects with twilight sentinel)
[below: “lo” means high beams are off, “hi” means high beams are ON]
tan “A” (lo), goes to (junction) LH & RH headlights
light green “B” (hi), goes to (junction) LH & RH headlights
(also connects with high beam indicator on dash)
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PHOTOS OF SWITCH AND CONNECTED WIRES:
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OTHER NOTES:
called “headlight dimmer switch” on factory diagrams, HOWEVER, this is commonly known as the hi beam (“brights”) head light on/off switch.
[SEE hi beam indicator light]
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Here’s all of the Switches in the Buick Turbo Regals:
(you can click these links to go direct to these posts)
* A/C High Pressure Cut-out Switch (Back of Compressor)
* A/C Pressure Cycling Switch (on Accumulator)
* A/C Pressure Line (Under Alternator)
* Blower and A/C Clutch Control Module Switch (HVAC Fan Speed Control)
* Brake Pressure Switch (in Prop Valve)
* Brake Switch (Above Brake Pedal)
* Coolant Fan Temperature Switch (Under Throttle Linkage)
* Cooling High Temperature Switch (Manifold Front Passenger Side; Idiot Light)
* Cornering Light Switch (Regal Limited Models)
* Cruise Control Switch (Lever)
* Cruise Control Brake Switch
* Defogger Control Switch (Rear Defogger Button)
* Dome Reading Lights Switch
* Door Jamb Switch (Both Sides)
* Electronic Air Conditioning Touch Climate Control (Electric Touch A/C)
* Gear Selector Switch
* Glove Box Switch (for Light)
* Hazard Switch (Emergency Flashers)
* Headlight Switch
* Headlight Dimmer Switch (High Beam)
* Hobbs Switch (Digital Dash Cars)
* Horn Button Switch
* HVAC Fan Speed Control Switch (Heater A/C Control Head Blower Switch)
* HVAC Mode Control (Heater A/C Control Head Mode Switch)
* Ignition Switch
* Ignition Key Warning Switch
* Instrument Cluster Dimmer Switch (Dash Lights Brightness)
* Neutral Safety and Backup Light Switch
* Oil Pressure Switch
* Overtemp Hot Switch
* Park Brake Switch (Emergency Brake)
* PowerMaster Brake Switch
* Power Door Lock Switch (Both Sides)
* Power Seat Switch
* Power Window Switch (Both Sides)
* Radio Button (on/off Switch)
* Rear View Mirror Map Light Switch
* Seat Belt Switch
* Sunroof Switch (Astroroof Moonroof)
* Theft Deterrent Warning System Tamper Switches
* Trunk Light Switch
* Trunk Release Button
* Turbo Power Light Switch (Digital Dash Cars)
* Turn Signal Switch (Lever)
* Twilight Sentinel Switch (Rotary Dial)
* Under Hood Light Switch (engine bay compartment)
* Vanity Mirror Light Switch (Passenger Side Visor)
* Wiper and Washer Switch
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