What's the joystick for?

 

Factory option...Atari.

J/K, it's for the snowplow...

 

Here's how I did it.


NOTE: The following steps must occur within the first
60 seconds of the ignition switch being turned to the ON
or START position. DaimlerChrysler does not recommend
deactivating the Enhanced Warning System
(BeltAlert).


1. Turn the ignition switch to the OFF position and
buckle the driver's seat belt.
2. Start the engine and wait for the Seat Belt Warning
Light to turn off.


3. Within 60 seconds of starting the vehicle, unbuckle
and then re-buckle the driver's seat belt at least three
times within 10 seconds, ending with the seat belt
buckled.


NOTE: Watch for the Seat BeltWarning Light to turn on
while unbuckling and off while re-buckling the seat belt.
It may be necessary to retract the seat belt.

 

I had the dealer shut the alarm off...

 

Here your go, no splicing nothing:

Verbatim from the Manual:

1. With all doors closed and the ignition switch in any postion except On or Start, buckle the driver's seat belt.

2. Start the engine and wait for the Seat Belt Warning Light to turn off.

3. Within 60 seconds of starting the vehicle, unbuckle and then re-buckle the driver's seat belt at least three times within 10 seconds (I did it exactly three), ending with the seat belt buckled.

4. Turn off the engine. A single chime will sound to signify that you have successfully completed the programming.

The Enhanced Warning System (BeltAlert) can be reactivated by repeating this procedure.

NOTE: Although the Enhanced Warning System (BeltAlert) has been deactivated, the Seat Belt Warning Light will continue to illuminate while the driver's seat belt remains locked unbuckled.

 

No, if you jump the wires, the horn will not sounds. The truck thinks the seat belt is plugged in.