Viper 4103XV Installation Guide download pdf (Page 21)

Figure A

Figure B

Important!

Always use the Vehicle Safety Check section of this guide to

verify that the vehicle cannot be started in ANY drive gear and that the

override switch is functioning properly.

H2/2

VIOLET/WHITE TACHOMETER INPUT WIRE

This input provides information to the unit about the engine’s revolutions

per minute (RPMs). In vehicles with conventional coils this wire can be

connected to the negative side of the coil - or to the non-common wire

at the fuel injector. Once connected, you must teach the system the tach

signal. (See

Tach Learning

section of this guide.)

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Viper 4103XV Installation Guide Page 21