Testing for a Tach Signal

Printed From: the12volt.com
Forum Name: Cruise Controls
Forum Discription: Cruise Control Settings, Tach Signal, VSS PPM(Vehicle Speed Signal Pulses Per Mile), Vacuum, Brake, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=21829
Printed Date: May 14, 2025 at 2:11 AM

Topic: Testing for a Tach Signal

Posted By: Lackey
Subject: Testing for a Tach Signal
Date Posted: November 23, 2003 at 12:38 PM

Hi folks,

Is there a way I can test the wire with a multimeter for a tach signal? I am having trouble finding one and would find it easier if I can just hook up the meter to test.

Thanks

Replies:

Posted By: ck auto
Date Posted: November 23, 2003 at 2:19 PM

hi what kind of car are you working on? put your meter on ac volts groun\d black lead then probe suspect wire should read between 1.5 - 6 volts as the motor revs.good luck

kirk

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