2001 Denali, Best place to pickup RAP

Can someone sugget the best place to tap into RAP.  I need to tap several things into it and want the strongest or best place to get it.

Thanks

I guess I'm just not sure where to tap into it.  Can I grab it right at the fuse box?

Thanks.

big white wire in the main ign. harness

12volts  red  +  ignition harness Starter  yellow  +  ignition harness Second Starter  N/A     Ignition  pink  +  ignition harness Second Ignition  white  +  ignition harness Notes: To avoid the check engine light from coming on and possible damage to the automatic transmission, the second ignition in this vehicle MUST be powered when adding a remote start system. Third Ignition  N/A     Accessory  orange  +  ignition harness Second Accessory  brown  +  ignition harness Keysense  lt. green  -  ignition harness Power Lock  lt. blue  +  pin A4, brown plug at BCM Notes: The BCM (Body Control Module) is located behind the driver side of the dash. The plugs face towards the rear of the vehicle. Power Unlock  white  +  pin A3, brown plug at BCM Notes: The BCM (Body Control Module) is located behind the driver side of the dash. The plugs face towards the rear of the vehicle. Lock Motor  gray  5wi  driver kick, door harness Unlock Motor  tan  5wi  driver kick, door harness Parking Lights+  brown  +  pin B6, lt. blue plug at BCM Notes: The BCM (Body Control Module) is located behind the driver side of the dash. The plugs face towards the rear of the vehicle. Parking Lights-  white  -  pin A5, lt. blue plug at BCM Notes: The BCM (Body Control Module) is located behind the driver side of the dash. The plugs face towards the rear of the vehicle. Hazards  same as turn signals     Turn Signal(L)  lt. blue  +  steering column Turn Signal(R)  dk. blue  +  steering column Reverse Light  lt. green  +  inside rear view mirror Door Trigger    -  BCM Notes: Use tan for the driver door located in pin B4 of the purple plug, and the passenger doors are a blue/white in pin B11 of the lt. blue plug. Use both wires and diode isolate each. The BCM (Body Control Module) is located behind the driver side of the dash. The plugs face towards the rear of the vehicle. Dome Supervision  use door trigger     Trunk/Hatch Pin  pink/black  -  pin B10, lt. blue plug at BCM Notes: The BCM (Body Control Module) is located behind the driver side of the dash. The plugs face towards the rear of the vehicle. Hood Pin  N/A     Trunk/Hatch Release  N/A     Power Sliding Door  N/A     Factory Alarm Arm  arms on lock     Factory Alarm Disarm  lt. green  -  pin B3, purple plug at BCM Notes: The BCM (Body Control Module) is located behind the driver side of the dash. The plugs face towards the rear of the vehicle. Disarm No Unlock  see factory alarm disarm     Tachometer  white  ac  ECM Notes: The ECM (Engine Control Module) is located near the battery, down low, between the fender and the fan under the black plastic cover. On the 4.3L, the tach wire is at pin 20 in the connector labeled red. On the 4.8L, 5.3L, and 6.0L, the tach wire is located at pin 10 in the red connector. Wait to start  dk. blue  -  instrument cluster Brake Wire  white  +  brake pedal switch Parking Brake  GREEN / WHITE  -  parking brake switch Horn Trigger  black  -  pin A9, brown plug at BCM Notes: The BCM (Body Control Module) is located behind the driver side of the dash. The plugs face towards the rear of the vehicle. Memory Seat 1  white  +  memory mod under dr seat Memory Seat 2  purple  +  memory mod under dr seat Memory Seat 3  N/A  +   Interface Module: Category: Immobilizer Bypass Required: Yes Type: Passlock II Part #: 556LW Alternate Part1 #: 555LW Alternate Part2 #: DesignTech 20402 Alternate Part3 #: DesignTech 29402 Notes: Interface Module: Category: Door Lock Interface Required: No Type: N/A Part #: N/A Notes: Interface Module: Category: Combo Interface Required: Yes Type: Data Bus Part #: 457GW