2007 GMC Sierra 1500 Logo
Jeremy Starling Posted on Jul 06, 2015
Answered by a Fixya Expert

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2007 Sierra. Why won't it crank?

Power to everything in truck but not ignition. My 12 volt speaker amp shorted sumthing out last night and this morning truck will not start. Messed with fuses

1 Answer

Robert Wood

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  • GMC Master 6,140 Answers
  • Posted on Jul 06, 2015
Robert Wood
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Joined: Oct 21, 2014
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What circuit is the amp wired to or is it on its own circuit ?

5 Related Answers

Anonymous

  • 372 Answers
  • Posted on Aug 06, 2008

SOURCE: 94 Jeep Cherokee won't start

I believe the green wire is a pulse from the distributor and its a ground signal. I could be wrong since is been a while since i left the jeep dealer...I would take the coil out (2 bolts on most) and take it to autozone. They can test it in minutes for free. Either that or the ignition module but more common is coil.

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Anonymous

  • 59 Answers
  • Posted on Mar 15, 2009

SOURCE: 1997 GMC Sierra Ignition Switch Replacement

take off the cover on the top and bottom of the steering column just behind the wheel. pop the tilt lever out simply just by grabbing it and give it a good tug. then once you have the new switch and you get in there your going to need an inverted torx socket to remove the small bolts that hold the switch to the column. do not move the gear on the new switch make sure it lines up exactly as the old one did!!!!!!!!!!!!

Anonymous

  • 6982 Answers
  • Posted on May 27, 2009

SOURCE: Lack of power when accelerating

You really should have a code check done. There are numerous items that can give you similar symptoms. Two places to look are the fuel filter (usually overlooked till they gum up, and the throttle position sensor (but test it first with an ohmeter. You will need a manual (vehicle specific ones are available at most larger parts stores and most of those stores also do code testing free)

Anonymous

  • 148 Answers
  • Posted on Jul 14, 2009

SOURCE: 96 gmc sierra hard to crank after 12-14 hours

that has a votec engine in it the fuel pressure is droping at knight and it takes 60 psi before the injectors will fire most likely cause fuel pump ,leaking injector ,or a feul pressure regulator

Anonymous

  • 1 Answer
  • Posted on Sep 07, 2009

SOURCE: 2000 Silverado 2500 will not start

Can you hear the fuel pump running just before you try to start? Turn the key to the Acc. position (just before starting) and listen for the pump. It should run for 1 - 2 seconds.

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Jumped starter terminals 30/87, starter works but no crank when key turned on.

Click no start is typically a bad battery, bad starter, bad solenoid or loose dirty battery connections. But seems you have covered those items. Have you checked you negative battery cable where it attaches to the frame and motor? Use multi meter and check from positive of battery to the motor(block) for 12 volts. Also do this while turning key to start position. If voltage drops out when doing this double check battery voltage and all connections. If it does not drop then check the solenoid wire coming from ignition. When key in start position you should have a good twelve volts. If you you do then test the main leads hooked to solenoid for power. If solenoid wire from ignition has less than 12 volts double check connections at battery and also test the clutch pedal switch.
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2005 gmc sierra. crank no start. no dtcs.. no crank signal or 12 volt reference..crank sensor and pcm replaced. still no 12 volt reference

With a wiring diagram test all INPUT power supply's then check all ground circuits If the power grounds are open then no output voltages will operate sensors.
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2007 gmc sierra radio

try a new speaker on one of the speakers if it works replace all of them. often they will go out one by one until you notice when the last one goes out you have no radio
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Truck does not start or crank what do i need to check

Pull off the small solenoid wire to the starter, and check for voltage there, with key held in cranking position. If power there, the solenoid or starter needs testing. If no power to solenoid with key in crank, the start circuit from ignition switch to the solenoid will have to be checked-the starter relay and the park/neutral switch (or, the clutch switch if manual trans.).
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New battery went dead. pulled the fuses and checked for a short. Found the fuse that shows a short just don't know what it goes too

A voltmeter is NOT the correct tool to check for an "ignition-off draw". A voltmeter will show 12 volts if ANYTHING is operating.

There are some things that are SUPPOSED to keep operating when the vehicle is shut off. These include, but are not limited to:
> Powertrain Control Module keep-alive memory
> Radio preset memory
> Clock
> Security/ alarm system
> Remote control recievers (door locks, etc.)

What you need to know is how many AMPS are being drawn from the battery when the vehicle is shut off. This is done by using a shunt bar connected between the battery terminal and the battery cable connector.

Set the ammeter to the lowest setting (usually 2 or 5 amp scale) Connect the ammeter leads accross the shunt bar. Turn off all electrical accessories, ignition switch, etc. and wait for a minimum of 45 minutes for all of the computer systems to go into "sleep" mode. Then open the shunt bar and read the amperage.

The "rule of thumb" is 300 milliamps (or 0.3 amps). This is where you have a problem. Anything less than this is not a problem and is not the cause of your dead battery. My experience is that most vehicles built in the last 15 years or so, will usually measure around 150 milliamps if there is no aftermarket equipment installed. Please note that even this 150 milliamps will measure as 12 volts if measured with a volt meter. A 2 amp draw will also measure as 12 volts....However, a 2 amp draw will kill your battery overnight and the 150 milliamp draw won't.
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WON'T START CONTINUOUS BUZZING FROM SOLENOID

Sounds like the battery is dead. You can try a jump start and see if the car will start. If it does I wouldn't have any issue with replacing the battery and see what happens. You can also measure battery voltage with a voltmeter. You should see 12 volts with the key off, on, or cranking. If the battery voltage is not 12 volts than it is dead or low on charge. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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1998 Ford Explorer, 4.0 SOHC No Spark. Engine will crank but it won't start. Replaced the Crankshaft Sensor, Coil Pack, & Spark Plugs. Still no spark. What next?

You are at thhe right trail what controls spark is coil pack crank sensor sparkplugs and plug wire but the most important is power . I mean 12 volt connections and ground This includes checking fuses you need a simple volt meter doesnt have to expensive or fancy just to pick up 12 volts let start with fuses in the engine juction box (there not mark to what it belongs to) make sure none are open. especially fuse 19 and 24 , next go to the crank sensor make sure the tabs are snuggly on now to the coil pack there is a red and light green wire this comes from ignition and feeds 12 volts at the coil pack measure that voltage is it 12 volts if not correct it this is from ignition switch ( you can make a tool that feed 12 volt with a wire and a fuse in series and attatch it to battery and the primary wire this is known as hot wire) next go to the ECM wiggle the wires see if that get a connection going if not go back to the ICM here are the wire you are to measure the tan light green, this is from ECM and it is pulsed it measure 5vlts to 0 volts switched then measure the tan orange the same thing 5 volts to zero,then tan white again 5vlts to zero. any one of these 5 to zero fails you fix is the ecm
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When I attempt to start my car lights and everything come on but when I turn the key do not here ticking from starter or doesn't attempt to crank at all.

Sounds like bad ignition switch.Check battery voltage it should be 12-12.6 volts.If its good check for power at starter on the switch side of solenoid if you don't have power its the switch if you do have power and it won't crank its the starter thats bad.
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