Hello everyone, I just bought a 63 F-250 from the original owner w/148000 miles. The truck was the first diesel to come in to Crest Ford in Rocky Mount NC. It's early enough that factory air was not available when the fellow ordered it. My truck does not have the factory tach and I have found a 86 in a junk yard with one. Would my truck have the wireing in place or is there a seperate wireing harness for the tach? BTW I've been a diesel fanatic all my life. I've logged over 300,000 miles in a IH scout Terra with the nissian turbo diesel and have a 93 4900 IH flat dump with the DT-466 and 4 IH and 1 Massey diesel tractors. Thanks for the help Eason
factory tach question
- Thread starter ELIHMAN
- Start date
Diesel Fly
Body By Rustoleum
I'm the same boat as you. So I'll be watching this thread closely. Does the gauge cluster that you got have the tach that goes up to 4500 RPM (Diesel) or higher (Gas)??
Welcome to the model A club! I also have the first Ford Diesel that my Ford dealer sold. No. There is no wireing provision for the factory tach in an 83 (much less a 63 
) However, you can add one to your 83 just by swapping instrument clusters and making the necessary wiring changes by compairing the 83 and 86 wiring schematics (some of which are found in my albums linked below). It's only 2 wires that are missing.
) However, you can add one to your 83 just by swapping instrument clusters and making the necessary wiring changes by compairing the 83 and 86 wiring schematics (some of which are found in my albums linked below). It's only 2 wires that are missing.Diesel Fly
Body By Rustoleum
Where is the signal source? Is there a sensor in place or does that need to be modified as well?
82fordtruck
Registered User
It's up by the IP, on the drivers side. Sensor costs $50 from ford.
argve
Resident Fruitcake
and you will need the injection pump gear housing because the early ones with no tach did not come with a provision for a tach - at least my 83 did not.... that can be obtained from any IDI that came with a tach. the difference is the later ones have the fill oil fill neck built into the housing verses just bolting on the front.
Diesel Fly
Body By Rustoleum
Will the IP housing from a 7.3 work on the 6.9? (I'm guessing yes)
argve
Resident Fruitcake
yep sure will.
argve
Resident Fruitcake
awe come on Mel then that would just be custom... you could add oil in after an oil change in half the time...
argve
Resident Fruitcake
I never had that problem but then again the end of my funnel is small...
Oh man did I just say that...
Oh man did I just say that...
Diesel Fly
Body By Rustoleum
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