Another question for the day (Fuel gauge)

Ohio Bronco 21

Bronco Guru

Joined

Dec 5, 2006

Messages

4,194

Loc.

Cleveland

• Nov 9, 2009

• #1

I plan on running just the stock fuel guage in my speedometer cluster as I have other gauges in the dash. looking at the back of the stock fuel guage in the cluster I see 2 posts, Im pretty sure one (dont know which) goes to the fuel sender in the tank, where do I run the second Post to (to a power source?)

 

70_Steve

Old Guy

Joined

Dec 13, 2002

Messages

8,317

• Nov 9, 2009

• #2

Ohio Bronco 21 said:

... Im pretty sure one (dont know which) goes to the fuel sender in the tank, where do I run the second Post to (to a power source?)

Click to expand...

Three of the stock gauges (Water temp, Oil presssure and Fuel level) were powered by an Instrument Voltage Regulator (IVR). It's a small metal can that mounts on the back side of the instrument cluster. The stock gauge will not work properly if connected to 12Vdc.

 

OP

OP

Ohio Bronco 21

Bronco Guru

Joined

Dec 5, 2006

Messages

4,194

Loc.

Cleveland

• Nov 9, 2009

• #3

ok, does it matter which side (terminal) I run the fuel sending wire to on the back of the gauge. Also does it matter which side i run the other wire to on the Voltage regulator? I know the power will go into one of the two terminals on the regulator (IVR)

 

DirtDonk

Contributor

Bronco Guru

Joined

Nov 3, 2003

Messages

47,483

• Nov 9, 2009

• #4

I think it does matter.
On mine though, I think one of the posts had a marking next to it. Can you see any kind of stampings in the cardboard or sheetmetal backing of the gauge?

Paul