This category on the website [ Servos Valves and Wiring ] we are giving you all of the information related to the individual parts 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
SERVO NAME:
Cruise Control Servo
Cruise Control Actuator
PURPOSE OF SERVO:
holds the speed setting correctly when the cruise control is on.
releases cruise system when brake pedal is depressed.
TURNS ON-OFF / FUNCTIONS / USED WHEN:
constantly in use while using cruise control
LOCATION IN VEHICLE:
engine compartment, drivers side, on wheel well
ORIGINAL GM PART NUMBER:
? (servo)
25517338 (bracket)
SERVO BASE COLOR:
black
CONNECTOR PLUG COLOR (SERVO SIDE):
black
WIRES ATTACHED (SERVO SIDE):
n/a
has 2 hose outlets
CONNECTOR PLUG COLOR (HARNESS SIDE):
gray
NUMBER OF WIRES ATTACHED (HARNESS SIDE):
5
COLOR & PURPOSE OF (HARNESS SIDE) WIRES:
light green “E” (vacuum valve), goes to (junction) to cruise control module (“K” vacuum valve control)
dark blue-white “A” (vent valve), goes to (junction) dark blue wire to cruise control module (“C” vent valve control)
light blue-black “D” (variable ac signal, servo position sensor), goes to (junction) to cruise control module (“H” SPS input lo)
tan “B” (variable ac signal, servo position sensor), goes to (junction) to cruise control module (“F” SPS input hi)
black “C” (valves ground), goes to (junction) to ground
(junction connects to cruise control module “J” [ground])
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OTHER NOTES:
[SEE Cruise Control Module]
[SEE vacuum routing here]
Vacuum lines:
from the Vacuum Tank to the Cruise Control Servo.
from the Cruise Control Servo to the vacuum release valve brake switch.
[SEE cruise control indicator light]
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PHOTOS OF SERVOS AND CONNECTED WIRES:
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Here’s a list of all of the Solenoids Modules and Servos Valves in the Buick Regal:
(click the links to go to the one you need info about)
* Canister Purge Solenoid (Fuel Vapor Canister Purge)
* Chime Module (Chime Alarm)
* Cruise Control Module
* Cruise Control Servo
* EGR Valve
* ESC Module
* Exhaust Gas Recirculation Vacuum Regulator Valve Solenoid (EGR EVRV)
* Heater Flow Water Control Valve
* HVAC Control Vacuum Valve (mode control valve)
* Idle Air Control Valve (IAC)
* PCV Valve (Positive Crankcase Ventilation)
* Proportioning Valve (Prop Valve)
* Starter Solenoid
* Theft Deterrent Controller Module (anti-theft system)
* Torque Converter Clutch Solenoid (TCC)
* Trunk Release Solenoid
* Vacuum Check Valves
* Wastegate Control Solenoid
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