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:
Power Seat Switch
PURPOSE OF SWITCH:
moves the seat forward/back
TURNS ON-OFF / FUNCTIONS / USED WHEN:
when you push the button, it adjusts the seat
LOCATION IN VEHICLE:
interior, on the lower left hand side of the drivers seat
ORIGINAL GM PART NUMBER:
20411769
SWITCH / BASE COLOR:
black, with 7 brass studs
[we have also seen chrome versions, and other colors for non-Grand National vehicles]
CONNECTOR PLUG COLOR (SWITCH SIDE):
see notes below
WIRES ATTACHED (SWITCH SIDE):
n/a
CONNECTOR PLUG COLOR (HARNESS SIDE):
black or white
see notes below
NUMBER OF WIRES ATTACHED (HARNESS SIDE):
8 total
see notes below
COLOR & PURPOSE OF (HARNESS SIDE) WIRES:
orange-black “F”, goes to (junction) black-orange wire to pwr accy circuit breaker
(junction also connects to power door locks)
light green “D”, goes to (junction) to LH front seat motor “B” (forward back motor)
tan “E”, goes to (junction) to LH front seat motor “A” (forward back motor)
dark blue “H”, goes to (junction) to LH front seat motor “B” (front height motor)
dark green “G”, goes to (junction) to LH front seat motor “A” (front height motor)
light blue “B”, goes to (junction) to LH front seat motor “B” (rear height motor)
yellow “A”, goes to (junction) to LH front seat motor “A” (rear height motor)
[this may be the white wire shown in the pic]
black “C”, goes to (junction) to ground
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PHOTOS OF SWITCH AND CONNECTED WIRES:
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OTHER NOTES:
Each motor contains a self-resetting circuit breaker.
The wire colors specified above are slightly different than the photos shown herein. The photos may be a different year (or other Gbody).
8 wire plug, black connector (attached to seat switch; only 7 actual wires on connector)
4 wire plug, black connector
2 wire plug, white connector
2 wire plug, black connector
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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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