replacing the ignition switch on 2003 envoy
What kind of problem are you encoutering while replacing the ignition switch on this 2003 envoy?
i cant shut the key off or remove the key from the ignition
Did you already replace the ignition switch?
no i did replace starter motor just before experincing the problem
Does this vehicle actually start? Do the accessories such as the head lights, radio, etc still work?
accessories, yes -start, no
Ok the first thing I would recommend is that you verify that the battery is fully charged. You mentioned that the accessories work, so I would not figure this to be a problem, but I would still check the battery to verify that its charged to 12 volts. In addition to this, I would really recommend that you verify that the shifter is totally in park. If the shifter is the slightest bit out of park, it will deter the key from turning back to the off position. Gm actually has a bulletin for this problem and it regards XXXXX XXXXX boot getting down to far in the front of the shifter causing the shifter to not fully go into park. If this all checks out though, we are going to need to get into the electrical system to verify proper operation of the park switch in the shifter, and also the ignition lock cylinder control solenoid are working as they should. Feel free to contact me with any questions or problems! Good luck!
battery fully charged, checked to be sure in park, is ok, is it a big job if it turns out to be ignition switch?
battery fully charged, checked to be sure in park, is ok, is it a big job if it turns out to be ignition switch
The ignition switch would not likely be the cause of this, but no its not a big job to replace the switch. We really need to do some testing to verify where voltage exists and where it does not. We can make sure the park switch is working by checking for voltage in park. There are two wires pink, and yellow and they both need 12 volts while the shift lever is in park. If this checks out, we need to move to the solenoid to verify operation at that point.
how do i go about checking for voltage
HelloCustomer Ivan here. Before you go any crazier. Look at this bulletin for your exact problem and see if it fits. let me know what happens.
Your JA Expert,
Bulletin No.: 05-07-30-021B
Date: October 04, 2007
This bulletin is being revised to include the 2008 model year. Please discard Corporate Bulletin Number 05-07-30-021A (Section 07 - Transmission/Transaxle).
Some customers may comment that they are unable to remove the ignition key from the ignition cylinder.
The shifter boot may be caught/trapped in the shifter assembly mechanism.
Inspect the shifter boot for being caught/trapped in the shifter assembly.
If the shifter boot is NOT caught/trapped in the shift assembly, refer to Ignition Key Cannot Be Removed from the Ignition Lock Cylinder in SI.
If the shifter boot IS caught/trapped in the shifter assembly, continue with the next step.
DO NOT replace the complete shifter assembly for this condition.
ONLY replace the shifter boot/handle if damaged by shifter assembly.
Reposition the shifter boot so that it is not caught/trapped in the shifter assembly.
For vehicles repaired under warranty, use the table.
is the shifter boot located on the shifter or under the vehicle?
can you give the location of the shifter boot?
It surrounds the shifter handle on the center console.
i will look at that. if not any other suggestions?
Start there and feel free to get back to me if it doesn't pan out. I hate going crazy when there is a recognized issue that may solve the problem. Pursue it, then send me a post if it works or if it doesn't. We will go from there.
not it, pretty sure it is the ignition switch any suggestions on easiest way to replace it?
Here is the flow chart for this problem. I am more suspect of the lock cylinder or the shift cable than the electrical ignition switch. I'll find the procedure for the shift cable adjustment and get it to you as soon as I find it.
Actually I feel more confident that you have a problem with the release button on the lock cylinder. I have seen many of these. Here is the procedure. It may need to be keyed to your key, and if so either the dealer or a locksmith can do that for you. Here is the procedure. If you run into a PassLock security issue after replacing it, let me know and I'll help you through that. I haven't had to do anything after replacing these in the past.
Ignition Lock Cylinder Replacement Removal Procedure Caution: Refer to Battery Disconnect Caution in Service Precautions.
ASE Master Tech.20+ years exp. 9 years self employed. Participant on AutoLab Radio broadcast
thanks i will try