voltage and tach, remote start

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=139574
Printed Date: May 11, 2025 at 5:00 AM

Topic: voltage and tach, remote start

Posted By: mduong25
Subject: voltage and tach, remote start
Date Posted: October 15, 2015 at 12:03 PM

I wanted to ask if when using voltage sense, there is no physical wire that needs to be hooked up as it is something that is featured in your remote? Where as with tach, there is a physical wire? Any help would be appreciated...thank you.

Replies:

Posted By: Twelvoltz
Date Posted: October 15, 2015 at 12:24 PM

Most systems will 'read' voltage sensing off of the wires connected to the ignition wiring in the vehicle without requiring any additional connections.

Tachometer connections require a physical connection, and are normally the most reliable method.

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