1996 Chevy Astro how to replace ignition switch assembly (e

Tiny
CRDIXON
  • MEMBER
  • 1996 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 17,200 MILES
Does anyone have a instructions/schematic that shows how to replace the electrical ignition switch assembly on a 1996 astro van?

the AC Delco part number for the assembly
is - ACD1490C.

the problems that we have is that our fan stopped blowing and or worked intermittently and we have had several dashlights (abs as an example) that turn on/off intermittently.

moving the shift lever will sometimes activate the
fan and or turn off the abs light/led.
Do you
have the same problem?
Yes
No
Wednesday, June 30th, 2010 AT 10:51 AM

1 Reply

Tiny
BLUELIGHTNIN6
  • EXPERT
Properly disable the SIR (air bag) system, then disconnect the negative battery cable.
Either lower the steering column from the instrument panel for access or unbolt and remove the column. If the column is removed, prevent it from rotating so the SIR coil does not become uncentered.
Remove the combination switch from the steering column.
If equipped, remove the alarm switch from the lock module assembly by gently prying the retaining clip on the alarm switch using a small blade prytool. Then, rotate the alarm switch 1 / 4 turn and remove
Remove the 2 ignition switch self-tapping retaining screws.
Disengage the connector, then remove the wiring harness from the slot in the steering column. Remove the ignition and key alarm switch.


http://www.2carpros.com/forum/automotive_pictures/261618_1_180.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_2_115.jpg



To install:

Position the switch to the column. Route the wire harness through the slot in the column housing assembly. Secure the harness using a wire strap through the hole located in the bottom of the housing assembly.
Install the switch retaining screws and tighten to 12 inch lbs. (1.4 Nm) in order to secure the switch.
If applicable, install the alarm switch to the lock module assembly by aligning the switch (with the retaining clip) parallel to the lock cylinder, then rotating the switch 1 / 4 turn until locked in place.
Install the combination switch to the steering column.
Position and secure the steering column.
Make sure the ignition is OFF , then connect the negative battery cable.
Properly enable the SIR system.
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Wednesday, June 30th, 2010 AT 11:06 AM

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