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HOW TO: 2003 Replace Ignition Switch


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#1 NealC

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Posted 30 June 2006 - 02:50 PM

My ignition switch is sticking and leaves the starter on sometimes. Other times, it doesn't turn on the radio amp. I sprayed some silicon lubricant in the keyhole and it seems to be working, at least for now.

I looked at the steering column and couldn't figure out how to remove the steering wheel column cover. I would apreciate directions to get to the ignition switch.

Thanks.

#2 03TRAILEXT

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Posted 03 July 2006 - 04:00 PM

It is pretty involved and requires 4 sections of the service manuals for step-by-step instructions.


Document ID# 1410317
2003 Chevrolet Chevy C Silverado - 2WD


--------------------------------------------------------------------------------

Ignition Switch Replacement
Tools Required
J 42759 Ignition Switch Connector Release Tool

Removal Procedure
Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
Caution
Refer to SIR Caution in Cautions and Notices.

Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
Remove the hush and knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges, and Console.
Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
With the key installed, turn the key to the RUN position.



Install an allen wrench into the hole on top of the lock cylinder housing. Push down on the allen wrench to release the tab on the lock cylinder inside the lock cylinder housing.



Slide the lock cylinder out of the lock cylinder housing.
Disconnect the passlock and key buzzer from the lock cylinder housing.



Insert J 42759 into the lock cylinder housing to release the tabs on the ignition switch.
Pull the ignition switch out of the lock cylinder housing.
Disconnect the connector from the ignition switch.
Installation Procedure





Important
The gears between the ignition switch and the lock cylinder housing must be in the correct position. Failure to do so will cause a misalignment of the gears in the ignition switch and the lock cylinder housing, which may result in a NO START or BATTERY DRAIN.


Verify the alignment of the gear (1) in the ignition switch (2). If gear (1) is not in position shown, turn gear in ignition switch (2) until you reach the correct position.



Use a screwdriver to rotate the lock cylinder housing gear counterclockwise until it hits a stop.
Connect the connector to the ignition switch.



Insert the ignition switch into the lock cylinder housing. The tabs (2) on the ignition switch MUST be seated inside the lock cylinder housing (1) for proper installation.



Use a screwdriver to rotate the lock cylinder housing gear clockwise to the START position - allowing it to spring return into the RUN position.



Align the lock cylinder and install the lock cylinder into the lock cylinder housing.
Connect the passlock and key buzzer into the lock housing.
Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
Install the hush and knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges, and Console.
Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
2011 Black Traverse LTZ AWD

#3 NealC

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Posted 03 July 2006 - 05:49 PM

Thanks.

Where can I get a service manual?

#4 ws6guysgal

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Posted 03 April 2007 - 08:54 PM

Where can I get the J 42759 Ignition Switch Connector Release Tool???? I cant find it anywhere! :confused:


It is pretty involved and requires 4 sections of the service manuals for step-by-step instructions.


Document ID# 1410317
2003 Chevrolet Chevy C Silverado - 2WD


--------------------------------------------------------------------------------

Ignition Switch Replacement
Tools Required
J 42759 Ignition Switch Connector Release Tool

Removal Procedure
Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
Caution
Refer to SIR Caution in Cautions and Notices.

Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
Remove the hush and knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges, and Console.
Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
With the key installed, turn the key to the RUN position.



Install an allen wrench into the hole on top of the lock cylinder housing. Push down on the allen wrench to release the tab on the lock cylinder inside the lock cylinder housing.



Slide the lock cylinder out of the lock cylinder housing.
Disconnect the passlock and key buzzer from the lock cylinder housing.



Insert J 42759 into the lock cylinder housing to release the tabs on the ignition switch.
Pull the ignition switch out of the lock cylinder housing.
Disconnect the connector from the ignition switch.
Installation Procedure





Important
The gears between the ignition switch and the lock cylinder housing must be in the correct position. Failure to do so will cause a misalignment of the gears in the ignition switch and the lock cylinder housing, which may result in a NO START or BATTERY DRAIN.


Verify the alignment of the gear (1) in the ignition switch (2). If gear (1) is not in position shown, turn gear in ignition switch (2) until you reach the correct position.



Use a screwdriver to rotate the lock cylinder housing gear counterclockwise until it hits a stop.
Connect the connector to the ignition switch.



Insert the ignition switch into the lock cylinder housing. The tabs (2) on the ignition switch MUST be seated inside the lock cylinder housing (1) for proper installation.



Use a screwdriver to rotate the lock cylinder housing gear clockwise to the START position - allowing it to spring return into the RUN position.



Align the lock cylinder and install the lock cylinder into the lock cylinder housing.
Connect the passlock and key buzzer into the lock housing.
Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
Install the hush and knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges, and Console.
Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.



#5 1slodubb

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Posted 11 August 2007 - 06:14 PM

Where can I get the J 42759 Ignition Switch Connector Release Tool???? I cant find it anywhere! :puke:



Just for other users that come across this post it's pretty easy to remove the ignition switch without resorting to purchasing that tool, just use a pair of small screwdrivers to release the snap connectors that hold the switch. I did it today in a Yukon XL which called for the same tool in the factory service manual. However, if you insist on getting one, I've seen them on online auction sites for roughly $20.00 shipped.

Edited by 1slodubb, 11 August 2007 - 06:18 PM.


#6 NacIK

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Posted 01 June 2009 - 12:00 AM

What is the part number for the module and where can I find it? The tab that goes into the switch broke off and now I have to hot wire the truck with a set of relays and a switch.




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