Sierra Denali RWD V8-6.2L (2009)
![background image](/gmc/sierra_denali_rwd/v8-6.2l/Page-1974005.png)
6. Ensure that the junction block retainers are in the open position (1).
7. Position and align the junction block to the 4 bracket pivots (2), once the pivots are engaged, push the retainers down into the locked position (3).
8. Install the underhood junction block cover.