TLT-2F GPS/GSM Car Tracker Instruction Manual V3.0
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4.1 SIM card installation
a. Select SIM card
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You can use SIM card provided by local mobile operators
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It supports SMS/GPRS function and has enough balance.
b. Open SIM card cover with a screw, and insert SIM card into its groove and lock it, then tighten the card cover
with screws.
Note: 1. If built-in battery is full of power, SIM card inserting will start the product; outside power supply also start
the product without SIM card.
1.
Attention should be paid to SIM card installation sequence: firstly insert SIM card and then connect
external power supply. Never reverse the sequence to avoid damage to SIM card.
4.2 Installation of external power wire
General view of external power wire.
Figure 2 Pins from Left to Right
PIN1 (red): 12V power wire of vehicle to connect positive electrode of vehicle battery;
PIN2 (black): ground wire to connect negative electrode of vehicle battery;
PIN3 (green): ACC wire to supply power for car ACC;
PIN4 (white): control wire of fuel cutoff/power failure to connect relay;
PIN 5 (yellow): SOS wire to connect ground wire and trigger SOS;
4.3. Relay connection method
The five wires externally connecting TLT-2F are as shown in the following diagram. The red one is 12V
power wire of the vehicle to connect positive electrode of battery. The black one is ground wire to connect
negative electrode of battery. The yellow one is SOS control wire to connect SOS switch and negative
electrode of vehicle battery. The green one supplies power for car ACC and connects vehicle CD and vehicle