TrailBlazer 2WD V8-5.3L (2007)
12. Install the TCC solenoid with a new O-ring seal to the valve body.
13. Install the TCC solenoid bolts.
Tighten the TCC solenoid retaining bolts to 11 N.m (97 lb in).
14. Install the internal wiring harness to the valve body. The internal wiring harness has a tab (1) on the edge of the conduit.
15. Place the tab between the valve body and the pressure switch in the location shown (2). Press the harness into position on the valve body bolt
bosses (1, 3).
