Question about 1997 Oldsmobile 88

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Cruise control does not work. I replaced the servo, but still no go.

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Check for a blown fuse in the fuse box under the hood.

Posted on Sep 24, 2009

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Posted on Jan 02, 2017

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My cruise control does not work on 1994 Ford 150. Fuse is fine, where to look next? Thank you


Which fuse ? There are two that supply B+ to the speed control servo ! One is located in the under hood fuse box and the other in the fuse panel inside the vehicle > The fuse may look fine but is there B+ voltage across the fuse . Check it with a volt meter . Check B+ voltage at the speed control servo , Black with yellow trace and P/O wire , what ever color that is . Is there B+ at the control switch ? The speed control servo supply's voltage to the cruise control switch . You can check it at the speed control servo as well . They could be videos on youtube showing how to test it .
Diagnose cruise control failure on 1993 Ford 150

May 31, 2017 | Ford Cars & Trucks

1 Answer

2002 f150 cruise inop shows code 3?


  • 3 flashes - deactivator switch is open or circuit defective.
    • Flash code 3 - deactivator switch circuit failure
    • Central junction box (CJB) fuse 13 (20A).
    • Circuitry.
    • Deactivator switch.
    • Speed control servo.
    • Go To Pinpoint Test H .
    PINPOINT TEST H: FLASH CODE 3 - DEACTIVATOR SWITCH CIRCUIT FAILURE
  • CONDITIONS DETAILS/RESULTS/ACTIONS H1 CHECK THE DEACTIVATOR SWITCH CIRCUITRY
    Speed Control Servo C122
    Measure the voltage between the speed control servo C122 pin 9, circuit 307 (BK/YE), harness side and the speed control servo C122 pin 10, circuit 57 (BK), harness side.
    • Is the voltage greater than 10 volts?
    Yes INSTALL a new speed control servo. REFER to Speed Control Servo in this section. REPEAT the self-test.

    No GO to H2 . H2 CHECK DEACTIVATOR SWITCH POWER
    Deactivator Switch C1025
    Measure the voltage between the deactivator switch C1025, circuit 10 (LG/RD), harness side and ground.
    • Is the voltage greater than 10 volts?
    Yes GO to H3 .

    No REPAIR the circuit. REPEAT the self-test. H3 CHECK CIRCUIT 307 (BK/YE) FOR AN OPEN Measure the resistance between the speed control servo C122 pin 9, circuit 307 (BK/YE), harness side and the deactivator switch C1025, circuit 307 (BK/YE), harness side.
    • Is the resistance less than 5 ohms?
    Yes INSTALL a new deactivator switch. REFER to Speed Control Deactivator Switch in this section. REPEAT the self-test.

    No REPAIR the circuit. REPEAT the self-test.

Nov 23, 2016 | 2002 Ford F-150

1 Answer

While driving hit resume cruise control and the car speed up to 100 and brakes would not work. Had to shut engine off in middle of freeway, what could it be?


Could be a faulty cruise control servo activator. The power to move the cruise control Actuator is most likely coming from the Brake power hydraulic booster vacuum pipe and if the cruise control vacuum servo is failing and leaking in air you lose the brakes power hydraulics.
check the vacuum pipe coming off the power booster brake master cylinder vacuum pipe you may find a tee connector in the vacuum main pipe and follow it to see where it goes to. Could be a break in the cruise control vacuum hose but if it is only happening when the cruise control is activated a fault or leak in the cruise control servo device is the main suspect. Which you should find at the other end of the cruise control vacuum hose.

Jan 31, 2016 | 2004 Oldsmobile Alero

1 Answer

Cruise control doesn't work on 1996 dodge neon. no air bag lite and cruise light doesn't come on


25653844-lbgspggdnnvo0gv1s31q0hti-1-0.jpg this is a cruise control servo maybe it burned put or the cable broke the switch not working the connection came loose at the servo

Apr 18, 2015 | 1996 Dodge Neon

2 Answers

When I turn on cruise control the light turns on but doesn't keep speed


Tera,

The light tells you that the electrics to the light are working - but cruise control in many cars relies on vacuum hoses and other mechanical and electro-mechanical components to work.

Additionally, if you have a brake or clutch issue - sensor in those sub-assembly circuits would automatically disengage the cruise control speed setting - but could leave the cruise indicator on.

May 21, 2014 | Cars & Trucks

1 Answer

98 manual vw passat cruise control not working any ideas to start and find the problem


Apr 08, 2014 | 1998 Volkswagen Passat

1 Answer

98 manual Vw passat cruise control is not working any help on where to start to find the problem


Apr 08, 2014 | Cars & Trucks

1 Answer

Cruise control not working is there a fuse for this Ron


Hi, there are two brake switches on this system, one is for a Brake Light circuit while the other powers up the Cruise Control and Brake Transmission Shift Interlock Solenoid. This switch is a normally closed switch that opens when the pedal is depressed. Power from this switch is feed to the PCM which then powers up the Cruise Control Servo. The contacts of this brake switch can make poor contact which reduces the current flow to the Cruise Control Servo. To test for this problem, find the brake switch with the Gray wire and Brown wire. Back probe and jumper the Gray wire to the Brown wire. Test drive the vehicle. If the cruise control now works, replace the Cruise/Shift/Interlock Brake Switch. The brake switch is located behind the brake pedal.

May 17, 2011 | 1995 Buick Regal

1 Answer

Cruise control on 99 taurus


check your on and off button at the steering wheel.
use a multi-meter set in the ohm postion and see if there is conectivity as you push each button. you will have to take the button off the steering wheel but it will take
just a few minites. while your at it you can check the right side also.
the set-resume-coast.

Jun 15, 2008 | 1999 Ford Taurus

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