CTS V6-2.8L (2006)
50.
Install a 15 amp fuse (not provided) in the empty (spare) location next to IGN-1 RELAY MICRO.
51.
Install the electrical center cover.
52. Connect the negative battery cable.
Tighten
Tighten the cable to 17 N.m (13 lb-ft).
53.
With the engine off, perform the following steps:
53.1. Pump the brake pedal 5 times to ensure that the vacuum brake booster is depleted.
53.2. Turn the ignition to the RUN position.
53.3. After 5 seconds the vacuum pump should cycle on and off.
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