Installing AEM CD-5 Dash in PS2K

[paulobork]

I'm about to install an AEM CD-5 dash in my PS2K but in the Setup Guide provided by AEM it sais "Follow Haltech instructions to determine if you need a terminating resistor at the ECU." in the
I couldn't find this information anywhere I looked for, so I'm here. Does anyone have this information, and if I have to use this resistor, how should I install it?