Service Procedure
Install GMSPO RKE unit, using the following procedure:Important:
Follow the steps of this procedure exactly, in order to properly diagnose any needed repairs to the system.
1. Roll down the driver's door window.
2. Install protective seat covers.
Caution:
Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. Its tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.
3. Disconnect the negative battery cable.
4. Remove the air bag fuse 10 from the I/P fuse block.
5. Remove the knee bolster from the left side of the I/P.
6. Remove the knee bolster brackets.
7. Disable the SIR system using the following steps.
7.1. Turn the steering wheel so that the vehicle's wheels are straight ahead.
7.2. Put the ignition switch in the "locked" position.
7.3. Remove the key from the lock cylinder.
7.4. Remove the Connector Position Assurance (CPA) (1) from the driver yellow 2-way connector located at the base of the steering column.
7.5. Disconnect the driver yellow 2-way connector (2) located at the base of the steering column.
7.6. Remove the CPA (1) from the passenger yellow 2-way connector located at the base of the steering column.
7.7. Disconnect the passenger yellow 2-way connector (2) located at the base of the steering column.
Important:
The thin black wire attached to the receiver module is the receiver module antenna. It is not serviced separately. Handle the wire carefully.
8. Remove the 4 screws holding the top cover of the RKE module. Remove the cover.
9. Locate the short yellow wire loop in the module. Cut the yellow wire and trim it as close as possible to the circuit board.
10. Reinstall the cover. Secure the cover with the 4 screws.
11. Using a plastic tie strap from the kit, tie the RKE module to the right side of the chime module, at the top of the convenience center.
12. Remove the left cowl kick panel trim.
13. Trim the following wires from the RKE wiring harness 12-way connector. Trim the wires short and tape the wires.
^ orange
^ white
^ white/blue
^ green
^ blue
^ purple
^ red/white
14. Wrap the following wires (the full length) with tape from the 8-way connector.
^ purple/black
^ green/black
^ blue/black
15. Trim the following wires from the RKE wiring harness 8-way connector. Trim the wires short and tape the wires.
^ red/white
^ white/black
^ brown/black
16. Connect the 8-way wire harness connector into the RKE module.
The following steps refer to illustrations and connector views found in the 1999 C/K Service Manual.
17. Locate connector C209. Refer to Inline Harness Connector End Views in the Wiring System sub-section of Body & Accessories for the 1999 Suburban. Route the purple/black, green/black and blue/black wires from the RKE connector to connector C209 using the following steps:
17.1. Remove the terminal from cavity A of connector C209. The wire should be orange. Cut the present terminal off the wire you just removed. Using terminal 12020116, connect the purple/black and the orange wires together. Insert the terminal into cavity A.
17.2. Remove the terminal from cavity E of connector C209. The wire should be light blue. Cut the present terminal off the wire you just removed. Using terminal 12020116, connect the green/black and the light blue wires together. Insert the terminal into cavity E.
17.3. Remove the terminal from cavity B of connector C209. The wire should be white. Cut the present terminal off the wire you just removed. Using terminal 12020116, connect the blue/black and white wires together. Insert the terminal into cavity B.
18. Wrap the following wires (the full length) with tape from the 12-way connector.
^ red
^ yellow
^ brown
19. Connect the 12-way connector to the RKE module.
20. Locate G200 ground. Refer to the Inline Harness Connector End Views in the Wiring System sub-section of Body & Accessories for the 1999 Suburban. Route the black/white wire from the RKE module 8-way and black wire from the 12-way connectors to G200. Install the kit supplied "Eyelet" terminal to these wires. Install the wires in the I/P at the G200 location.
21. Locate connector C298. Refer to the Inline Harness Connector End Views In the Wiring System sub-section of Body & Accessories for the 1999 Suburban. The connector may be white rather than black as shown in the Service Manual. Its location is between the convenience center and the headlight switch. Route the black/white wire from the 12 cavity RKE connector to connector C298. Remove the terminal from cavity C of C298. The wire should be white in color. Cut the present terminal off the wire you just removed. Using terminal 12092344, connect the black/white and the white wires together. Insert the terminal into cavity C.
22. Locate the steering column connector. Refer to the Inline Harness Connector End Views in the Wiring System sub-section of Body & Accessories for the 1999 Suburban. Route the red, yellow and brown wires from the RKE module connector to the steering column connector using the following steps:
22.1. Locate the pink wire in cavity A2. Splice the pink and yellow wires together using the kit supplied connector.
22.2. Locate the black wire in cavity A11. Splice the brown and black wires together using the kit supplied connector.
22.3. Remove the terminal from cavity D2. The wire should be red in color. Cut the present terminal off the wire you just removed. Using terminal 12020116, connect the 2 red wires together. Insert the terminal into cavity D2.
Important:
Route all wires away from the sharp metal brackets. Make sure they are properly secured.
23. Verify the functionality of the system using the following procedure. Its operation is somewhat different than the production-installed system.
23.1. Connect the negative battery cable.
23.2. Depress the lock button. The following actions should occur:
^ All the doors lock.
^ The horn chirps.
^ The interior lamps remain ON for 20-30 seconds and then go out.
23.3. Depress the unlock button. The following actions should occur:
^ All the doors unlock.
^ The horn chirps twice.
23.4. Depress the horn button (panic mode) for 1.5 seconds. The horn should honk for 30 seconds. To exit the panic mode, depress the lock, unlock or horn button.
23.5. Depress the GM button for less than a second. This turns off the horn when the doors are locked or unlocked (temporarily), this time only.
24. Enable the SIR system using the following steps:
24.1. Connect the driver yellow 2-way connector (2) located at the base of the steering column.
24.2. Connect the CPA (1) from the driver yellow 2-way connector located at the base of the steering column.
24.3. Connect the passenger yellow 2-way connector (2) located at the base of the steering column.
24.4. Connect the CPA (1) from the passenger yellow 2-way connector located at the base of the steering column.
25. Replace the left cowl trim.
26. Replace the knee bolster bracket.
27. Replace the knee bolster.
28. Replace the air bag fuse 10 in the I/P fuse block.
29. Remove the protective seat covers.
30. Make a copy of the following form. Cut it to size and place it In the vehicle's Owner's Manual.