User's Guide

Teletrac, Inc. - Prism TM Information and Installation Guide
34 1622-0300 B1 3/18/04
SWAPPING OUT A PRISM TM
1. Locate the current PRISM TM and disconnect the main power to it at the power source.
2. Disconnect the wiring harness from the VLU.
3. Disconnect the antenna(s).
4. Install the new PRISM TM; this should be a floating unit from van stock.
5. Insure the existing harness has all the required wires soldered or crimped for reliability and
connect the harness to the new PRISM TM.
6. Connect the antenna(s).
7. Attach accessories as necessary.
8. Remove the SIM chip from the old unit and place it in the new unit, copper side down, white
side up, numbers visible.
9. If the PRISM TM fails to register upon installation, verify the RSSI level and move the vehicle
to a location with better reception if necessary. Also verify the SIM is installed correctly.
Complete the work order for, including the vehicle license plate number, VIN, installation test
results and PRISM TM MIN sticker. Leave a copy with the customer.