Service Procedure
Harness FabricationImportant:
If required, refer to terminal repair instructions in SI and terminal installation instructions in the GM Terminal Repair Kit, J 38125.
1. Cut 4.55 m (15 ft) of wire from the spool.
2. Install terminal A (female terminal) at one end of the wire.
3. Install terminal B (male terminal) at the other end of the wire.
4. Proceed to section below titled, "Harness Instructions".
Harness Installation
The following procedure provides instructions for installing a missing wiring circuit (# 243) for the Rainsenser(TM) windshield wiper system. The wire being installed goes from the right side of the instrument panel (I/P) to the right side "C" pillar.
Important:
For additional information on interior trim or seats, refer to the appropriate section of the Service Manual.
1. Push in and pull up on the front of the rear seat cushion to release the retainers.
2. With the seat cushion raised up, disconnect the electrical connector and remove the seat cushion from the vehicle.
3. Open the trunk.
4. From inside of the trunk, release the hook and loop fasteners for the upper trim at the rear upper seat back attachment to the body.
5. From inside of the trunk, remove the two upper outer nuts (1) on each side (four nuts total). Do not remove the inner three nuts.
6. From inside of the vehicle, remove the four lower nuts (1) that attach the bottom of the seat back to the body.
7. Remove the nut (1) attaching the center shoulder bolt to the floor.
8. Move the seat back forward and disconnect the electrical connector.
9. Remove the seat back from the vehicle.
10. Carefully release the retaining clips and remove the right rear carpet retainer.
11. Locate the two fuse centers under the rear carpeting, just forward of the rear seat cushion area.
12. Remove the covers from both fuse centers and remove the AIR BAG fuse from each fuse center.
13. Carefully remove the small plastic cover from the "C" pillar trim (sail) panel.
14. Remove the screw attaching the trim panel and reposition the panel so there is access to the electrical connectors mounted behind it.
15. Carefully release the retaining clips and remove the right front carpet retainer.
16. Carefully release the retaining clips and remove the lower "B" pillar trim panel (3).
17. Carefully release the retaining clips and remove the right side outer trim cover (1) from the instrument panel.
18. Locate the 40-way "C200" electrical connector (1).
19. Release the connector lock (2) by rotating it downwards and disconnect the connector.
20. On the connector for the body harness, remove the blue terminal position assurance (TPA) (3) from the row containing cavity D1 (circuit 243).
21. Insert the appropriate end of the new wire (circuit 243) into cavity D1.
22. Reinstall the blue TPA into the connector.
23. Route the new wire through the I/P, following the existing body harness.
24. Use black electrical tape to secure the new wire to the outside of the existing harness.
25. Continue attaching the new wire (1) to the outside of the existing harness (2) down along the floor pan.
26. At the black plastic conduit located between the front seat and the rocker panel, route and secure the wire (1) to the top of the conduit (2) with tape. Continue along the top of the conduit until the conduit ends in the rear floor pan area.
27. When the harness (2) exits the conduit (1) in the rear floor pan area, continue routing and taping the new wire to the outside of the existing harness.
28. Continue taping the new wire to the harness (1) as it goes up to the "C" pillar area.
29. Remove the larger gray connector (1) that is attached to the "C" pillar.
30. Disconnect the electrical connector.
31. Remove the blue TPA from the row containing cavity # 13 (circuit 243).
32. Insert the terminal on the new wire into cavity # 13 and reinstall the TPA.
33. Connect the electrical connectors and reattach it to the "C" pillar.
34. Finish taping the new wire to the existing harness as necessary.
35. At the I/P, connect electrical connector C200 and rotate the locking feature to lock the connector together.
36. Position the right side outer trim cover to the I/P and engage the retaining clips.
37. Reposition the front and rear carpet to the original position.
38. Position the lower "B" pillar trim panel and engage the retaining clips.
39. Position the front carpet retainer and engage the retaining clips.
40. Position the "C" pillar trim panel.
40.1. Insert the upper metal integral clip (1) on the trim panel to the slot located in the headliner.
40.2 Insert the lower metal integral clip (2) to the sheet metal.
40.3. Position the plastic push-in retainer (3) to the hole in the sheet metal.
40.4. Press inward at the plastic retainer in order to secure.
41. Install the retaining screw.
Tighten
Tighten the retaining screw to 2 Nm (18 lb-in).
42. Install the cover over the retaining screw.
43. Install the AIR BAG fuses in the fuse centers and install the covers.
44. Position the rear carpet retainer and engage the retaining clips.
45. Install the rear seat back to the vehicle and connect the electrical connector.
46. Install the four lower attaching nuts.
Tighten
Tighten the four lower attaching nuts to 9 Nm (80 lb-in).
47. Position the center shoulder bolt to the floor and install the nut.
Tighten
Tighten the nut to 30 Nm (22 lb-ft).
48. From inside of the trunk, install the four upper seat back attaching nuts.
Tighten
Tighten the four attaching nuts to 9 Nm (80 lb-in)~
49. Position and secure the hook and loop fasteners on the trunk trim.
50. Close the trunk.
51. Place the rear seat cushion in the vehicle and connect the electrical connector.
52. Position the rear seat cushion and engage the retainers.