Question about Chevrolet Silverado 3500HD

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I have a 96 chevy 3500 6.5 liter diesel. Can turn on the key, but no gauges/no wait to start light,ect...It will turn over, but not start. No bad fuse's.

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  • chevynovass Nov 17, 2009

    I have a 96 3500 6.5 l diesel can turn the key on ,but get no gauges.batterie,wait to start,altanator, truck will crank over but will not start .all fues good .

  • chevynovass Nov 17, 2009

    batteries are new along with cables. has to be something electrical .sometimes you canget the gauges to work and the truck will start right up

  • chevynovass Nov 17, 2009

    yes i live in indiana but the problem is not glo plugs sometimes when you turn the key gauges will come one and the truck will start and run fine. shut the truck off and turn the key on maybe nothig[no gauges will lite up. has new batteries cables.

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  • Master
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I would start by testing your relays. there are many of them glo plug, primary diesel pump, secondary pump, starter relay, just to name a few. Also check the fuel selinoid. It sounds like something that lets you start but once you warm up it shuts down. your going to have to trouble shoot it hot. Sorry with out codes or more info there is not much I can give besides this. Best of luck.

Posted on Nov 17, 2009

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  • Master
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What climate are you located in? Do you wait to start anyway? The fact that the wait to start light does not come on leads me to believe that your glo-plugs are not heating up. Your vehicle, as you may know has no spark. Ignition is obtained by superheated diesel fuel being highly compressed. If the fuel is not heated, the vehicle will not fire. Each cylinder has a glo-plug and a swirl chamber, that the glo-plug pre-heats the fuel in before being compressed to aid in combustion in a cold engine start situation. Once started, the diesel engine heats very quickly and therefore does not need the glo-plug any longer to fire. Check your glo-plugs...if they are indeed heating, then you need to make sure you are getting fuel to the cylinder. If these 2 things are happening and you still have no start, then you likely have a compression issue, but I can't see that happening on all cylinders at once...Good Luck. I hope this is very helpful!

Posted on Nov 17, 2009

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  • Hal Hallman Nov 17, 2009

    If you have heated fuel and compression then you will have ignition...even without most electrical, because the diesel is turned off by fuel shut down. You may have an electrical issue that is stopping not only the guages from working but also not letting the fuel pre-heat and shutting down the injectors as well. My guess is you are not getting fuel to the cylinders nor the swirl chamber pre-heat. Start by checking fuses and relays, then if you find nothing there, run fault code diagnostics. Good Luck.

  • Hal Hallman Nov 17, 2009

    The fact that sometimes you can get the guages to work indicates a shortage...may take some tracing. Also grounding wires and connections are important. Good Luck!

  • Hal Hallman Nov 18, 2009

    An intermittant electrical issue often means a loose or corroded ground. Also, bad connections will intermittantly make contact. Your issue is likely going to take a good deal of tracing to find the culprit. I wish you luck!

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  • Chevrolet Master
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I would suspect the battery has failed or the battery terminals are corroded, check both.

Posted on Nov 16, 2009

  • yadayada
    yadayada Nov 17, 2009

    Check the battery condition. Replace the battery if the battery will not hold a charge or fails a battery load test. If the battery loses fluid while driving, check for an overcharging condition. If the alternator is overcharging, replace the alternator or voltage regulator. (A voltage regulator is typically built into the alternator, necessitating alternator replacement or overhaul.)
    Check the battery cable condition. Clean or replace corroded cables and clean the battery terminals.
    Check the alternator and voltage regulator operation. If the charging system is over or undercharging, replace the alternator or voltage regulator, or both.
    Inspect the wiring and wire connectors at the alternator for looseness, a missing ground or defective terminal, and repair as necessary.
    Inspect the alternator drive belt tension, tensioners and condition. Properly tension the drive belt, replace weak or broken tensioners, and replace the drive belt if worn or cracked. This is for your electical problem. Your injection is electronic so you power should recover after you fix your voltage problem

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