Tachometer Information Needed
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Senior User
Joined: Dec 2004
Posts: 251
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From: SW, Ohio
Tachometer Information Needed
I have a 2004 F-150 XL Heritage with the 4.2L V6.
It doesn't come with a factory tach, (except for diagnostic mode). I have an aftermarket tachometer that I am going to install, and mount on the dash.
I was wondering what color wire I need to hook into to read the engine rpm??
Thanks for any info you can provide.
It doesn't come with a factory tach, (except for diagnostic mode). I have an aftermarket tachometer that I am going to install, and mount on the dash.
I was wondering what color wire I need to hook into to read the engine rpm??
Thanks for any info you can provide.
Freshman User
Joined: Jun 2004
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Welcome. I don't know if it is as easy as splicing into an existing wire to make the tach work. I wanted to get one installed on my 2000 F150 4.6 but was told that it is not a straight forward install. According to the shop I asked they would have to use a special wiring harness that ran to each COP. Of course this would require extra $$$ that I just wasn't ready to let go of just yet, so I let go of the idea of a tach instead. I'm not sure about the V6. Anything is possible. I'm sure that someone on the Forum can answer your question though. Hope you enoy the site.
New User
Joined: Feb 2005
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that didnt help him out much did it. I got the same problem on my ranger. 3.0 v-6 the tach i got has 4 wires a power, ground, dimmer connection, and rev reader(my phrase) the last one goes on the coil i beleive the positive side
FTE Leadership Emeritus
Joined: Jan 2003
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From: 3rd Rock
Originally Posted by 94rangerflamed
that didnt help him out much did it. I got the same problem on my ranger. 3.0 v-6 the tach i got has 4 wires a power, ground, dimmer connection, and rev reader(my phrase) the last one goes on the coil i beleive the positive side
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…..See you on the boards.
Postmaster
Joined: Aug 2003
Posts: 2,977
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From: South Texas
Auto meter has the required module to get the RPM reading from the computer.
http://hp.autometer.com/products/acc...converter.html
http://hp.autometer.com/products/acc...converter.html
