https://
install.myfirstech.com
Copyright 2020 Fi rste ch, LLC. “Hello, my name is Inigo Montoya....” Page
19
Alternator Sensing
Alternator sensing is another method the remote start can utilize to determine if the engine is running. This is
option requires a wire (yellow/black) connection to the alternator stator wire. NOTE: there is no
programming procedure needed for this option
STEP 1: Change Option 2-10 to setting 2 - Alternator sensing.
STEP 2: Test wire and make connection. The stator wire is found at the vehicle’s alternator. Change
your multimeter to DC voltage before testing for this wire.
A. At rest, with the ignition off, the stator wire should test 0V DC.
B. Turn the ignition to the run position. The stator wire should now test between 4 – 6V DC.
C. Start the vehicle with the key. The stator wire should now test between 12 – 14V DC at
idle.
STEP 3: Process complete – no further programming is required.
Tachless Mode – (Automatic Transmission Vehicles Only)
Tachless sensing is an alternative engine sensing mode. It does not require a connection to the vehicle other
than the main ignition harness. Note: due to the delayed peak charging found with most late model
computer-controlled alternators, this feature may not be reliable.
STEP 1: Change Option 2-10 to setting 3 – Tachless Mode.
STEP 2: Process complete – there is no further programming required other than adjusting crank time
when necessary (see below). Adjusting Crank Time: To adjust minimum crank times, refer to Option 2-
12. To help ensure successful starting, the system will automatically add additional crank time to the
2nd and 3rd start attempts. In addition, there is a built in “Smart Resting Mode”. Traditional tach
sensing is still highly recommended for colder climates.
Advanced Tachless
Advanced Tachless is an enhancement feature (2-11 option 2) that can be used as a more reliable “Tachless”
or no wire connection option. In order for this feature work the no connection “Tachless mode” feature (2-10
option 3) must be selected and no tach signal input on the main control module should be present. Advanced
Tachless will enable a voltage check for the Assumed running engine sense option (2-10 option 4)
Assumed Timed Crank
Assumed Time Crank is option 4 on feature 2-10 for remote starting. This is intended for vehicles with built-
in anti-grind feature or vehicles that do not have a 12V Positive starter wire at the ignition harness. This
option will send a 3.0 second crank signal to the vehicle. This option can be used on vehicles with built in
anti-grind systems or Push To Start (PTS) systems. Advanced Tachless will enable a voltage check for the
Assumed running engine sense option (2-10 option 4)