Assuming the install is for your 2001, here's the wiring diagram for your truck in case you don't already have it:
DIRECTWIRE™ WIRING INFORMATION - DODGE / RAM PICKUP / 2001 / Remote Start
12volts red and pink/black + ignition harness
Starter yellow + ignition harness
Second Starter
Ignition dk. blue + ignition harness
Second Ignition
Third Ignition
Accessory black/orange + ignition harness
Second Accessory black/white + ignition harness
Keysense
Power Lock orange/purple 5wi driver door harness
Notes: Keyless models use positive trigger for lock, and 5-wire for unlock. Can also find wires at the central timer module to the right side of the steering column, lock is orange/green, unlock is pink/green.
Power Unlock pink/purple 5wi driver door harness
Notes: Keyless models use positive trigger for lock, and 5-wire for unlock. Can also find wires at the central timer module to the right side of the steering column, lock is orange/green, unlock is pink/green.
Lock Motor orange/black driver door harness
Unlock Motor pink/black driver door harness
Parking Lights+ black/yellow headlight switch
Parking Lights-
Hazards
Turn Signal(L)
Turn Signal(R)
Reverse Light
Door Trigger yellow - headlight switch or DKP
Notes: To avoid dome delay, use tan for the drivers door and black/lt. blue for the passenger door. Both wires are located at the central timer module to the right side of the steering column. Use both wires and diode isolate each.
Dome Supervision use door trigger
Trunk/Hatch Pin
Hood Pin
Trunk/Hatch Release
Power Sliding Door
Factory Alarm Arm lt. green/orange - driver door harness
Notes: Arm is negative trigger thru a 644 ohm resistor. Disarm is negative trigger through a 1. 5K (1500) ohm resistor. MUST use relays.
Factory Alarm Disarm same wire
Disarm No Unlock
Tachometer black/gray ignition coil
Notes: Diesel tach wire is gray/black. The wire is located on the center of the firewall. There are two black plugs, the wire is in the top plug without the white insert. The tach wire can also be found at the ECM on the passenger side firewall in connector C-1, pin 8.
Wait to start orange/black - center of firewall, black plug
Notes: See DirectFax document 1090.
There are two black plugs, the wire is in the top plug without the white insert.
If using the orange/black for wait to start causes a shifting or cruise control problem then use a pulse timer relay instead. Refer to DirectFax 1091 for wiring information.
Brake Wire white/tan + brake pedal switch
Parking Brake
Horn Trigger black/red - steering column
Memory Seat 1
Memory Seat 2
Memory Seat 3
Interface Module: Category:
Immobilizer Bypass Required:
No Type:
N/A
Part #: N/A
Notes:
This wiring information is being provided free of charge on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it using a digital multimeter.
Directed electronics, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. DEI assumes no liability or responsibility resulting from improper installation, even in reliance upon this information.
Attention: TDR Forum Junkies 
