I tried to install my new 240 degree gage in my 65. The car had a 66 gage that I removed. When I installed the gage and turned the key on the gage went all the way around past the 240 mark and all the way around. There are four prongs on the back. I re-installed the bake-light insulator and resister to the other set of prongs but it keeps blowing my fuel gage and brake light fuse. Nothing else has changed. If I leave it disconnected the fuel gage and brake warning work fine. Any suggestions? local club members have not been much help.
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Re: 65 water temp gage
Temp gauge is simple circuit. B+ voltage (regulated by charging system V-regulator) puts supply voltage to input side of gauge. Current flows through meter movement winding in gauge, out through lead wire to temp sender in block or intake mani (intake mani for your '65).
Temp sender is variable resistor based on ambient temp. Resistance varies in the 800-50 ohm range (non-linear function, T/R curve). Fact that you 'peg' the gauge says you've got a dead short to electrical ground somewhere.
No all you have to do is go find it. Remember Mr. Goodwrench as well as specialty Corvette shops still work on cars if you're not into turning your own wrench. Sounds like you may not have electrical diagrams for the car which are part of both the assembly instruction manual (AIM) and shop manual (all available from NCRS merchandise library in Cincy). Suggest it's time to build a library to support your investment in a classic Corvette.... -
Re: 65 water temp gage
Temp gauge is simple circuit. B+ voltage (regulated by charging system V-regulator) puts supply voltage to input side of gauge. Current flows through meter movement winding in gauge, out through lead wire to temp sender in block or intake mani (intake mani for your '65).
Temp sender is variable resistor based on ambient temp. Resistance varies in the 800-50 ohm range (non-linear function, T/R curve). Fact that you 'peg' the gauge says you've got a dead short to electrical ground somewhere.
No all you have to do is go find it. Remember Mr. Goodwrench as well as specialty Corvette shops still work on cars if you're not into turning your own wrench. Sounds like you may not have electrical diagrams for the car which are part of both the assembly instruction manual (AIM) and shop manual (all available from NCRS merchandise library in Cincy). Suggest it's time to build a library to support your investment in a classic Corvette....Comment
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