Question about 2000 Chevrolet S-10

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I have a 2000 s-10 pickup manual transmission. All accessories operate but engine won't crank sometimes. Thinking it may be a safety switch on the clutch but don't know where to find it.

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  • pfcicchini Oct 06, 2010

    Solution not yet helpful. I had previously reviewed infomation at the link you posted and understand the basic system. I was looking for more detail on the sepcific make/model I have. As mentioned I believe the problem is with the clutch switch and/or a relay but still need to check voltage at solenoid to be sure solenoid/starter are not a problem. Specifically where is the clutch switch and how can I test for a relay that may be weak? Is there any possibility the ignition switch is going bad? Any other possibliities I haven't thought of? Do you have a wiring diagram of the starter circuit for this vehicle?

  • pfcicchini Oct 07, 2010

    My starter is completely silent when the key is turned. I have to verify that power is getting to the solenoid but I suspect not. I believe my problem is before the starter/solenoid.

  • pfcicchini Oct 08, 2010

    I will look at it again this weekend but I suspect there must be a safety switch on the clutch as the clutch must be fully depressed before the engine will crank. Because this is an intermittent problem it will be difficult to identify it with certainty by push starting. As I mentioned I need to check for voltage at the solenoid when it is not working to isolate the problem. If I have voltage then I will pursue your suggestion of the bendix. Is this something that can be rebuilt yourself or is it better to just get a new starter?

  • pfcicchini Oct 12, 2010

    Replacing the starter did the job! Not familar with starter parts so don't know where or what the bendex is. Any diagrams you can refer me to?



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Even I had a similar problem with my Suzuki. What it turned out to be was a defective bendex. It is a part of the starter motor that rotates and moves forwards to engage the flywheel to rotate it (flywheel). Thats how the engine cranks. And then disengages when you turn/leave after the car starts the key. I got it repaired and it still functions perfectly after four months as it did not have a major defect. So could be in your case too. It takes about an hour to do it. But needs special knowledge and some tools to fine tune it. So I would recommend help from the garage.

Posted on Oct 07, 2010

  • Rinoo Kumari Oct 07, 2010

    I am sure the starter must be completely silent. Even mine was. But I could push start it as I had a smaller vehicle and the necessary man power. There are no switches on the clutch or anywhere except for a fuse on the battery. But is=f this fuse blows then there would be no current in the vehicle ant it would be dead. But you say that the lights and all are functional meaning that this fuse is fine. So that leaves us with the bendex problem. If you can (?????) please try push starting it. And I am sure it will start.

  • Rinoo Kumari Oct 08, 2010

    The whole starter is never replaced. It is just the bendex that needs replacement if found to the trouble creator.


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Please check the bellow link and the discussions there related to your issue:-

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Posted on Oct 06, 2010


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Where are is the neutral safety switch on a 2004 Pontiac Grand Prix 3.8

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Code p0722 speed sensor.... what is the real prob? thank you for your time

Not having more specific info as to the behavior of your vehicle it's hard to say. what the problem might be. Computer codes are only a place to startt.
The P0722 is for Output Speed Sensor 2 Circuit No Signal. This means that the transmission control module is not receiving a signal from the Output Speed Sensor.
I am assuming (based on this information) that your vehicle is front wheel drive and has an automatic transmission. If you have a different powertrain (i.e. quattro all wheel drive or a manual transmission), write back and let me know.
This P0722 is a common fault on front wheel drive automatic transmissions (called a CVT). The bad thing is that the output speed sensors are part of the transmission control module and the only way to repair that is to replace the transmission control module. The module is located inside the transmission. Expect to pay $1000 to $1500 for the module and another $700 to $900 for labor.
There is a possibility it could be the Neutral safety switch. They an get dirty and cause problems so spend a cople of dolars checking this before laying out the bigger bucks.
Testing Neutral Safety Switch

Required Tools:
Test Light/Voltage-meter
Wiring schematic
Neutral safety switch location (component location)

Test Procedure
Locate the neutral safety switch
Disconnect the wiring connector at the switch
Using a test light or volt-meter test for power at the wiring harness with the key in the "engine crank" or the gear shifter in the "reverse" position. (do not start the engine)
If power exists reconnect the neutral safety switch and probe outgoing wires at the connector.
If no outgoing power is present the switch has failed and needs to be replaced.
Tip : If the engine will not crank over with the car in "park" push down the brake pedal and try cranking the engine over with the car in "neutral". What you are doing is bypassing the "park" position in the switch and now are using the little used neutral circuit. If in neutral the engine starts the switch is probably bad.
Tip: Sometimes a neutral safety switch can become misadjusted. This switch adjustment can change due to normal wear of mechanism that controls switch slider.
Other complications can occur if there is a loose connection somewhere in the system. While this condition is not a shorted circuit problem, it is a condition that simply breaks the flow of electricity intermittently. To troubleshoot this problem consult a car repair manual to locate the wiring schematic for your car. Repair the broken or shorted connection as needed and recheck system. Electrical problems are less complicated when the proper information is available.
Hope this helps you

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