Fuel gauge
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Senior User
Joined: Dec 2014
Posts: 149
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From: Reno, Nv
Fuel gauge
I’ve posted a few thing on here about my rewire and now I’m about done I’ve noticed that my fuel gauge is erratic. It’s fine until I start driving, I’m assuming it is because it’s an unbaffled tank and the slosh is causing it. I know the 65 wiring harnesses or gauge compensated for the slosh by only reading ever so often, so is there a way to recreate this effect or is it suck it up butter cup?
Lead Driver
Joined: Aug 2003
Posts: 6,305
Likes: 18
From: Boulder Creek, Ca
Not familiar if replaced with aftermarket kit. The original used a Constant Voltage Regulator usually attached to the back of the instrument cluster that monitors voltage fluctuations from between 0-10 volts to the instrument gauges. Usually can tell if the CVR is faulty if the other gauges are also acting up. If aftermarket possibly similar item in kit?
Not sure "unbaffled tank" if have not done so, suggest check the sending unit float replacements run around $5. Also check the fuel gauge circuit.
If of the plastic CC type cluster then may find attaching a ground strap from metal portion of cluster to ground will help?
Anyhow, food for thought??
Not sure "unbaffled tank" if have not done so, suggest check the sending unit float replacements run around $5. Also check the fuel gauge circuit.
If of the plastic CC type cluster then may find attaching a ground strap from metal portion of cluster to ground will help?
Anyhow, food for thought??
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Originally Posted by Shane Carruth
it is just a different gauge.
Logistics Pro
Joined: May 2015
Posts: 4,463
Likes: 954
From: Tri Cities, TN
Tedster is right. The sender and gauge have to be a matched pair so they play the same game. The original sender is about 73 ohms full and 13 ohms empty and about 5 volts. If the gauge you have is playing by a different set of rules, it ain't going to work.
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