Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Inspection and Verification: Notes
2005 Ford GTSECTION Notes
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If any concerns are noted with the speedometer, stoplamps or horn, address those concerns by referring to their associated articles before continuing the speed control diagnosis.
- Verify the concern.
- Visually inspect for obvious signs of mechanical or electrical damage.VISUAL INSPECTION CHART
Mechanical Electrical - Speed control cable
- Speed control cable connections
- Speed control actuator pulley cover
- Speed control actuator
- Smart junction box (SJB) fuse(s):
- 2 (15A) (stoplamp switch)
- 33 (10A) (speed control switch)
- 34 (5A) (speed control deactivator switch)
- Battery junction box (BJB) fuse:
- 35 (10A) (speed control actuator)
- Speed control switches
- Stoplamp switch
- Speed control deactivator switch
- Clutch pedal position (CPP) switch (manual transaxle)
- Digital transmission range (TR) sensor (automatic transaxle)
- Wiring, terminals or connectors
- Make sure the throttle linkage operates freely and smoothly when connected to the speed control cable and speed control actuator.
- Verify that the speedometer and the stoplamps function correctly.
- Verify that the speed control cable and the accelerator cable are attached, adjusted correctly, and not holding the throttle open or increasing the idle speed. Inspect the speed control and throttle cable routing. Make sure that nothing is interfering with the function of the cables.
- Check the wiring harness for obvious signs of shorts, opens, poor connections, or damage.
- If the fault is not visually evident, verify the symptom. Go to Symptom Chart .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.