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wierd tach signal hookup

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=48359
Printed Date: July 14, 2025 at 8:58 PM


Topic: wierd tach signal hookup

Posted By: nautica2o3
Subject: wierd tach signal hookup
Date Posted: January 23, 2005 at 2:41 AM

I am trying to install a remote starter into a 1998 Mercury Villager. The manual says to wrap the tach signal input wire around the high ignition coil wire 5-7 times. I have installed remote starters in my other cars before, and the tach signal wire was always soldered directly to a bare wire in the ECU or tachometer, not just wrapped around the ignition coil wire. Has anyone installed a remote start with this kind of tach signal input before?

The manual sucks, it is basically just a 1 page diagram. All I see is a picture of this wire being coiled around the "high coil" and the words "loop 5-7 times". Everything else is wired already and working, except for this wire. Do I just wrap it around the wire coming from the ignition coil to the distributor? What other wire could I use to coil this input wire around? I'm pretty sure its not meant to tap directly to the wire, but rather pickup signal through the insulation like how the clip on timing guns do. It is a solid copper wire and not stranded like the rest of the wiring.

Thanks for any input.



Replies:

Posted By: KarTuneMan
Date Posted: January 23, 2005 at 1:17 PM

I have never heard of  wrapping the input wire around a tach wire like that.......seems like a stupid idea to me.

I would do it the way you have in the past.........nothing beats soldering  !



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Posted By: auex
Date Posted: January 23, 2005 at 2:47 PM
He is working with a crap alarm and he has to wrap the wire around a plug wire for inductance.

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Certified Security Specialist
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