When trying to start my 1999 GMC Jimmy I turn the egnition and all my aux. lights turn on and everything works, but there is no power going to my starter, it doesn't make the clicking sound and it won't turn my engine over. I've checked the ground wires as well and there is power to all of them. What is my problem.

Internal Faults in Distributor Can Cause Engine Problems ...

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Driveability Problems Due to Internal Distributor Fault on GMC Jimmy. The distributor may ... This can cause a rough running engine or stalling condition, the Check EngineLight may or may not illuminate. ... 1999 GMC Jimmy150,225Visitor.

Replace the turn signal switch.

I wild have to work on this until I duplicated it, then check the vehicle while it was messing up. You could have one defective component even if you just replaced it. (Fuel pump, ignition module, crank sensor, etc.) You could have simply a bad coolant temp sensor, or maybe your mass air flow sensor causing problems. You could try unhooking your coolant temperature sensor and seeing if it wild start. This makes the pcm look at a default value. You can try the same thing with the mass air flow.Do you have access to a scanner when it is messing up? Have you checked for spark at the plugs? Have you checked your fuel pressure? Sorry, I would have to actually work on it.

check your positive cable from your battery to your starter,also check your fuses under the hood.

These vehicles are notorious for failing antitheft systems. When this goes out, it will actually turn off the starter. Here is a link you might want to look into.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Key cylinder is turning but not moving rod behind it. Replace cylinder.

Your Fuel Pump may need replaced.

if ur theft light flashes continuiosly then its an alarm problem lock n unlock it w key n try it if not find a lock smith ur key might need programming

The wires were crossed I got the fire order and redid them now it runs like a dream

disconnect the negative cable but leave the positive cable on
if this does not work then it will have to be scanned