G-Tech Pro.....
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Senior User
Joined: Sep 2007
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G-Tech Pro.....
HI, i bought one of those G-tech pro SS performance meters for my 86' f-250 with a 6.9 IDI, and when i try to calibrate it, it does'nt work. It just plugs in to the cigerette lighter and it reads the electrical current through system. It says i have a faint RPM signal...I don't know if anyone has tried using one of these before, but it works fine in all my other vehicles, except my diesel. I figure its just cause of the 24 volt system, but i cant seem to get it. It doesn't say anything in the manual about it cant work in a car or truck with a diesel engine.....can anyone give some tips?
Thanks
Thanks
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
Your electrical system is 12 volts in an 86.
Not sure what it would see in a diesel electrical system to sense RPM.
I could see picking up the spark discharge in a gasser.
This problem will probably require a call to G tech tech support.
Not sure what it would see in a diesel electrical system to sense RPM.
I could see picking up the spark discharge in a gasser.
This problem will probably require a call to G tech tech support.
