06 dodge ram dash lights when rem start

Did you check for IGN2 and ACC2?  ACC2 will give the ABS light if not connected.  It is Pink / YELLOW in the ignition harness.

IGN 2, if there, is Pink/Green.

You dont have the correct resistance on the mux wires. 

 Did you use 2 relays with 2 resistors with those 2 negative trigger wires (start and acc)?

Don't you either use the MUX from the xpresskit, or use relays with the negative triggers from the alarm... Not both?   I had just the MUX wired, but the ac wouldnt come on when remote started... Then I disconnected the MUX and wired just the Starter relay... The ac worked with doing that... Should I try wiring both the Starter relay and Accesory relay... Also, do I cut the starter/acc wire from ignition harness when using the relays? Wiring  outputs to (key side) I believe, and center relay post to (car side)... Thanks in advance!

Do you have small, like 18 Ga. ignition wires?  Yes.  Pink/White is Ignition.

Dont use the mux output from the 532.  Use the (-) starter and Acc outputs from the Viper, with 2 relays and two resistors (starter is 180 ohm and Acc is 610 ohm)  on the PURPLE / Brown MUX wire at the ignition switch.

Do you have a Dk. Grn / YELLOW stsrter wire on that truck?  If not, ok,...... if so then you need to power that as a (+) starter wire.

There is a DEI document for that MUX resistor/relay wiring, #1084    Sorry I dont have access to my documents at this time.