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Gas Gauge Again

75 flame orange

Well-known member
Joined
Jan 10, 2005
Messages
74
Location
pittston pa
Corvette
1975 coupe flm orng L82 M-21 4-speed
Guys
im getting the car ready for paint as my winter project.Replaced the front bumper ,removed all the trim etc.As i removed the rear bumper i noticed the rubber fuel and vapor lines should be changed,31 years old(safety item).Got everything backtogether,but now the gas gauge is pegged past the full mark when the key is off.when the key is in the on position the needle goes to the proper amount(only 1/4 to 1/2 off gas in it).i did a search and some guys had the same problem,but nobody really explained why this is happening.does anyone have a solution.thanks carmen
 
Joined
Jan 1, 2002
Messages
7,246
Location
Washington, Michigan
Corvette
'67 Marina Blue Convertible
With the key on and the tan sender wire disconnected at the sending unit, the gauge should peg to "Full"; then ground the tan wire connector to the frame and the gauge should peg to "Empty". That will verify the gauge function and the wiring between the tank and the gauge.

:beer
 

75 flame orange

Well-known member
Joined
Jan 10, 2005
Messages
74
Location
pittston pa
Corvette
1975 coupe flm orng L82 M-21 4-speed
John
why would the gauge start acting up now it was fine before i changed the hoses,or did i disterbe something on a 31 year old car?
carmen
 

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