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:
HVAC Fan Speed Control Switch
Heater A/C Control Head Blower Switch
PURPOSE OF SWITCH:
controls blower and speed, & a/c clutch
TURNS ON-OFF / FUNCTIONS / USED WHEN:
in use when heater or air conditioning is on
LOCATION IN VEHICLE:
interior, behind HVAC control head
ORIGINAL GM PART NUMBER:
16032480 (with C60 manual AC)
SWITCH / BASE COLOR:
black, brass tabs
CONNECTOR PLUG COLOR (SWITCH SIDE):
black (or brown)
WIRES ATTACHED (SWITCH SIDE):
n/a
CONNECTOR PLUG COLOR (HARNESS SIDE):
black
NUMBER OF WIRES ATTACHED (HARNESS SIDE):
4
COLOR & PURPOSE OF (HARNESS SIDE) WIRES:
A/C (C60 manual) BLOWER SWITCH:
labelled as “heater a/c control head [blower switch]” on diagrams.
orange “B” (hi), goes to (junction) to blower relay (“E”)
brown-white “D”, goes to heater a/c control head (“B”)
[2 wires on 1 terminal at (“B”), which connects to (“A”) on blower resistor]
light blue “C” (M2; medium 2), goes to (junction) to blower resistor (“D”)
tan “A” (M1; medium 1), goes to (junction) to blower resistor (“C”)
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HEATER WITHOUT A/C:
labelled as “blower switch” on diagrams.
blower switch plug is black.
blower resistor plug is white.
brown “D”, goes to (junction) to a/c fuse
(junction connects with trunk release)
yellow “A” (lo), goes to (junction) to blower resistor “B”
light blue “C” (medium), goes to (junction) to blower resistor “A”
orange “B” (high), goes to (junction) to blower resistor “C”
(“C” has 2 wires on this 1 terminal – “C” then goes to blower motor)
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PHOTOS OF SWITCH AND CONNECTED WIRES:
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OTHER NOTES:
labelled as “blower and a/c clutch control module” on diagrams.
[this is located at the blower resistor on electronic a/c cars]
[this is the fan speed switch on manual/analog a/c cars]
also labelled as “heater a/c control head” on diagrams.
[this all depends on exactly what wires you want to check on]
[SEE Blower and A/C Clutch Control Module Switch]
[SEE HVAC Mode Control]
[SEE HVAC light bulb]
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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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