I bought a sunpro tach for my 97 F-150, 4.6L without a tach in the guage cluster. I have benn looking for a way to hook this up without any result. I NEED HELP!! Thanks

 

I have been looking for the same info.
Check out my post about 4-5 posts down.
I think its titled "Tach install info".
A couple of guys dropped in with some helpfull info.
Good Luck
Later
M V

 

Gentlemen,

The answer is as easy as getting an Autometer Tach Adapter. Then you can run any conventional tachometer in your COP (coil on plug) engine.

Its easy to install and it provides the pulses needed to drive the tach. I got mine frm the JEG's on-line catalog at http://www.jegs.com

 

HamRadio,
you were one of those helpful guys I was talking about.

Thanks again
Later
M V

 

4.6 isn't a COP engine. You could try the RED/GREEN wire at the coil module for tour tach signal. You can tell if it's the correct wire if you set your multimeter to AC volts, ground the black lead and connect the red lead to the red/green wire. Then start the truck and check for a voltage. The voltage should raise as the engine is reved.

 

Sorry I missed that! I'm just stuck on the COP engines I guess as I had that problem too. My mistake. :o

 

Hey, that's what were all here for, to help each other out. I have a 5.4 also so I don't know a whole lot about the 4.6

 

what about the '94 5.0L? what Tach would be easyest to install

 

Any basic tach should have 4 wires.

(+) with ignition on
(-) ground
(+) with parking lights on
tach signal