Install Auxiliary Ground Straps XJS Vehicles Only
INSTALLATION OF AUXILIARY GROUND STRAPS ON XJS VEHICLES ONLY:1. Open luggage compartment.
2. Open hood.
3. Place fender protection covers over the front fenders.
4. Disconnect vehicle battery.
Caution:
On 1994 MY vehicles, ensure that the radio code is available before disconnecting the battery.
5. Working on right side of engine compartment, move aside innermost ground point protective rubber boot (Illustration 1).
6. Remove ground point mounting nut.
7. Move aside ground lead eyelets.
8. Clean ground eyelets using emery cloth.
9. Feed supplemental ground lead through ground point protective rubber boot.
10. Reinstall all three ground eyelets on ground stud.
11. Reinstall and tighten ground point mounting nut.
12. Reinstall ground point mounting protective rubber boot.
13. Route supplementary ground lead behind brake pipes and below plenum drain tube.
14. Remove the Torx mounting bolt from the existing ground lead on the rear of the right side intake manifold (Illustration 2).
15. Move aside the existing ground lead.
16. Clean the ground eyelet using emery cloth.
17. Replace the existing and new ground eyelets to rear of right side intake manifold.
18. Install and tighten the Torx mounting bolt.
19. Working on left side of the engine compartment, move aside the protective rubber boot of the innermost ground point (Illustration 3).
20. Remove the ground point mounting nut.
21. Move aside the ground lead eyelet.
22. Clean the ground eyelet using emery cloth.
23. Feed the supplemental ground lead through ground point protective rubber boot.
24. Install the existing and the supplemental ground eyelets to ground post.
25. Reinstall and tighten ground point mounting nut.
26. Reinstall ground point mounting protective rubber boot.
27. Remove the Torx bolt from the rear of left side intake manifold (Illustration 4).
28. Position new ground eyelet on rear of left side intake manifold.
29. Reinstall and tighten Torx bolt on rear of left side intake manifold.
30. Remove outer most ground point protective rubber boot (Illustration 5).
31. Loosen and remove ground point mounting nut.
32. Move aside ground eyelet from ground point mounting post.
33. Clean ground eyelets using emery cloth.
34. Reinstall ground eyelet to ground point mounting post.
35. Reinstall and tighten ground point mounting nut.
36. Reinstall ground point protective rubber boot.
37. Working inside luggage compartment, remove right side forward trim.
38. Remove mounting bolt securing the battery ground cable to the body (Illustration 6).
39. Remove the battery ground cable.
40. Clean the battery ground lead eyelet and the body ground point using emery cloth.
41. Reinstall the battery ground cable to body.
42. Reinstall and tighten the battery ground cable to body mounting bolt.
43. Using electrical grease, cover the ground point and any exposed bodywork.
44. Loosen and remove the right side forward most ground point mounting bolt (Illustration 7).
45. Move aside the right side forward ground eyelets.
46. Clean the ground eyelets and the ground point using emery cloth.
47. Reinstall the ground eyelets on the body.
48. Reinstall and tighten the right side forward ground point mounting bolt.
49. Using electrical grease, cover the ground eyelet and any exposed bodywork.
50. Reinstall the right side forward luggage compartment trim.
51. Reconnect the vehicle battery.
52. Load the PDU at the base station with the latest disc.
53. Load datalogger V12 fuelling and check the HO2S reference voltage.
Note:
See the PDU help text to check for correct operation. If a PDU is not available, use a DVOM to monitor the HO2S reference voltage, which should oscillate frequently.
54. Remove the fender protection covers.
55. Close the luggage compartment.
56. Close the hood.