You didn't list any connections for the most important harness. The 10 Pin heavy gauge wire harness must be connected
for the car to remote start.
Remote Start, White 10-pin heavy gauge connector
1 No Connection
2 RED / BLACK (+) FUSED 12V ACCESSORY/STARTER INPUT White (50A) + @ ignition switch, white 8 pin plug, pin 2
3 PINK/BLACK* (+) IGNITION 2/ACCESSORY Pin # 87A Not Used
4 PINK/WHITE (+) IGNITION 2 / ACCESSORY OUTPUT BLACK / YELLOW + @ ignition switch, white 8 pin plug, pin 4
5 RED (+) FUSED 12V IGNITION 1 INPUT White (50A) + @ ignition switch, white 8 pin plug, pin 2
6 GREEN (+) STARTER INPUT (KEY SIDE) cut wire Red + @ ignition switch, white 8 pin plug, pin 8
7 VIOLET (+) STARTER OUTPUT (CAR SIDE) cut wire Red + @ ignition switch, white 8 pin plug, pin 8
8 ORANGE (+) ACCESSORY OUTPUT Blue/Red + @ ignition switch, white 8 pin plug, pin 3
9 RED / WHITE (+) FUSED 12V IGNITION 2 / FLEX RELAY White (50A) + @ ignition switch, white 8 pin plug, pin 2
10 PINK (+) IGNITION 1 INPUT/OUTPUT BLACK/ White + @ ignition switch, white 8 pin plug, pin 6
Corrections for the 24 Pin harness :
1 PNK/WHITE (-) 200mA IGNITION 2/ACCESSORY OUTPUT Not Used
2 BLUE/WHITE (-) 200mA 2ND STATUS /REAR DEFOGGER OUTPUT Not Used
3 RED / WHITE (-) 200mA TRUNK RELEASE OUTPUT Not Used
4 BLACK / YELLOW (-) 200mA DOME LIGHT OUTPUT Not Used
5 DARK BLUE (-) 200mA STATUS OUTPUT Not Used
6 WHITE/ BLACK (-) 200mA AUX 5 OUTPUT Not Used
7 WHITE/ VIOLET (-) 200mA 2nd UNLOCK OUTPUT Not Used
8 ORANGE / BLACK (-) 200mA AUX 6 OUTPUT Not Used
9 GRAY (-) HOOD PIN INPUT kit supplied hood pin
10 BLUE (-) TRUNK PIN/INSTANT TRIGGER INPUT RED / white (-) luggage compartment light, gray 2 pin plug, pin 2
11 WHITE/ BLUE ** (-) REMOTE START ACTIVATION INPUT Not Used
12 VIOLET/WHITE TACHOMETER INPUT RED / blue, YELLOW /GREEN, gray, or white ac any ignition coil, black 4 pin plug, pin 3
13 BLACK/ WHITE* (-) PARKING BRAKE INPUT/EMERGENCY INPUT Chassis ground if auto trans
14 GREEN/ BLACK (-) 200mA FACTORY ALARM DISARM OUTPUT Not Used
15 GREEN (-) DOOR INPUT RED / white (-) behind dash fuse box, white 3 pin plug, pin 1
16 BROWN / BLACK (-) 200mA HORN HONK OUTPUT Not Used
17 PINK (-) 200mA IGNITION 1 OUTPUT Not Used18 VIOLET (+) DOOR INPUT Not Used
19 VIOLET/BLACK (-) 200mA AUX 4 OUTPUT Not Used
20 BROWN (+) BRAKE SHUTDOWN INPUT GREEN / WHITE (+) @ brake switch, blue 5 pin plug, pin 1
21 VIOLET / YELLOW (-) 200mA STARTER OUTPUT Not Used22 GRAY/BLACK (-) DIESEL WTS (WAIT-TO-START) INPUT Not Used
23 ORANGE (-) 200mA ACCESSORY OUTPUT Not Used
24 GREEN / WHITE (-) 200mA FACTORY ALARM ARM OUTPUT Not Used
Immediately disconnect Pin 17 and Pin 21 connections you listed. Hopefully these did not fry your Viper.
Soldering is fun!