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tachometer install

Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=50146
Printed Date: May 15, 2025 at 9:23 PM


Topic: tachometer install

Posted By: majkowskid
Subject: tachometer install
Date Posted: February 15, 2005 at 10:21 AM

i have an 04 ford f150 heritage pickup with a 4.6 l v8 in it.  i am trying to install an aftermarket tach in it. there is NO tach from the factory.   i have purchased the ford racing distributor less ignition systems tach driver, which i was told will work.  it says to tap into the crankshaft position sensor wires, which ihave, and the box will give me the tach signal i need. 

i have done this and it doesn't work.  i have tried tapping into a pin which i was told to on the pcm for tach signal, but that didn't work either.

anyone ever use one of these tach drivers before?  any suggestions?




Replies:

Posted By: Race1999
Date Posted: February 26, 2005 at 9:55 AM
I also know that you can tap into the fuel injection wires only if they are port style



Posted By: secureauto
Date Posted: March 03, 2005 at 1:27 AM
Look at the Tachometer info,

2004 Remote Start info

you can also try this site,

Rostra tach and VSS info

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