Grand Prix V8-5.3L (2007)
3. Tighten the engine, IP and forward lamp wiring harness connector bolts to the junction block.
Tighten the bolts to 10 N.m (89 lb in).
4. Position the junction block to the housing. Align the tabs and press the junction block into place to secure the junction block.
5. Install the positive battery cable lead (1) to the stud on the junction block. Install the positive cable lead nut to the stud.
Tighten the nut to 16 N.m (12 lb ft).
6. Close the cover (2) on the junction block.