FUEL ECONOMY GAUGE (HELP)

  • Thread starter Thread starter jsegura525
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J

jsegura525

Hello,
I bought a fuel economy gauge for my 240 and it does not have
instructions on how to set up the wiring and tubing. I can remove
and reinstall the dash cluster w/o any problem. It is the wiring and
vaccumme that I need help with.
Please if you know how ....HELP ME.
Joseph Segura
 
Hello,
I bought a fuel economy gauge for my 240 and it does not have
instructions on how to set up the wiring and tubing. I can remove
and reinstall the dash cluster w/o any problem. It is the wiring and
vaccumme that I need help with.
Please if you know how ....HELP ME.
Joseph Segura
Click to expand...


What year is the car? Pre-'86 used a cable driven speedo, post are
electronic. Also what sort of guage is this? Do you have a link to the
manufacture?
 
Hello,
I bought a fuel economy gauge for my 240 and it does not have
instructions on how to set up the wiring and tubing.
Click to expand...

Sounds like one of the old style gauges popular in the 50's and
60'sthat was merely a vacuum gauge with economy markings on it.
Running the vac line using a Tee fitting to a "live" vac line under
the dash should work. I would then guess it has two wires (black and
blue...?). One is a ground (black) and the other can be wired to the +
lead of any dash light so the gauge can be seen at night and dim with
the rest of the dash. This is all a guess since you gave so little
info to work from.
 
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