tach signal testing

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=537
Printed Date: May 21, 2024 at 10:24 AM

Topic: tach signal testing

Posted By: 12voltlover
Subject: tach signal testing
Date Posted: April 30, 2002 at 7:20 AM

I was wondering how other installers test tach signals. I have always used the AC setting on my meter. a tach will show up as .5 - 1 volt and will increase as the throttle is increased. I have seen guys use a non grounding test light and tach will show up as a quick negative pulse. Is there a better, quicker, or easier way to do it??

Replies:

Posted By: Too Dark
Date Posted: April 30, 2002 at 9:33 PM

I like using a meter so I know what kind of vo;tage Im getting out of the tach

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