Question about 2003 GMC Envoy Xl

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Engine wont or turn over just change ignition and it reset the anti theft

It wont crank or start nothing registers except the battery gauge

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  • 58 Answers

Still has security issue then.

Posted on Mar 28, 2014


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Posted on Jan 02, 2017

  • 142 Answers

SOURCE: ignition problem

If the engine won't turn over at all chances are you have a bad starter, or starter solenoid. Coil packs would not even be an issue here. There is about a 1% chance it would be a bad wire going to the starter but I wouldn't even consider it before trying a starter.

If you own a test light you can try this easy test first...

- Locate the starter/solenoid assembly
- Locate the big stud with the power wire coming from the battery hooked to it
- Hook the ground of the test light to a good known ground (beware on this one, more than one experienced mechanic has been fooled by it... rusted/corroded metal is not a good ground by any means...) (Trick of the trade, clamp a pair of Vise-Grip pliers to a piece of metal (unpainted) on the engine, or the body and wiggle the pliers around a bit, this gets rid of corrosion and creates a good ground, clamp the ground wire from the test light to the handle of the pliers)
-Check to see it you have constant power (test light lights up when you touch the big stud on the starter with the probe of the test light)
-Next locate where the smaller wire hooks to the starter solenoid (usually right next to the big stud)
-Put the probe of the test light on this smaller stud
-Get someone to turn the key like they would start the vehicle and verify that you have power on the smaller stud

If you have power on both, the starter motor or solenoid are bad (sold as an assembly), if not, you have eith a problem with the ignition switch, or wiring.

720430c.jpg Here is the image of the starter, the big stud i'm talking about is right on top, (the one under it is the stud with a permanent wire running to the motor), and the smaller one is right under it (between the 2 main studs of the solenoid)

Posted on Sep 16, 2008

  • 453 Answers

SOURCE: anti theft light keeps comming on ad truck wont start

It might be your key the chip thats in it might need to be reprogammed or you might need a new key. You can only get the key from a dealer about $75.

Posted on May 27, 2009

  • 2007 Answers

SOURCE: my 2003 gmc savana 3500 has a problem on starting.

My guess is that you have the wires on your starter improperly connected, and they shorted out, and caused the starter to crank the engine. You have to be very careful when removing the wires. Make sure they are pointing exactly the same way as they were origionally when you re-install them. It is very possible , now, that you may have burnt the fusable link in your battery cable, and you'll have to replace it.

Posted on Mar 23, 2010

  • 1201 Answers

SOURCE: GMC Envoy, dashboard gauges not

Could be a couple of things, one is your ignition switch may be going bad.

The other is, the little stepper motors on the back of the cluster, may be going too, both are very common.

By the way, normal operating temperature for the I6 engine is 210 degrees.

Posted on Jan 22, 2011

  • 1 Answer

SOURCE: 1998 Gmc Yukon wont start due to Anti Theft alarm system how do I get Yukon to start again

Maybe by disconnectting your battery and reconnectting, you might be able to reset system.

Posted on Mar 04, 2012

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