<VV> Spyder Thermister

[Smith Family]

I have a 64 Spyder Coupe that I have had running for 3 years now. Great car, fun to drive, but I have never gotten the cylinder head gauge to work. I installed a new thermister when I rebuilt the engine. I have tested the overtemp buzzer and it works, so I decided to investigate the wiring of the gauge. I found that the positive for the coil is feed by the thermister gauge. The power goes through the gauge then to the thermister plug and on to the positive side of the coil. Is this correct? I have purchased a new engine loom, but the chassis loom is original. I also found that the 'R' terminal on the starter back feeds all the way to the dash and cylinder head temp gauge and then feeds the circuit through a silicon rectifier. This doesn't make any sense as the  power from the 'R' terminal still has to go through the resistance wire in the engine loom. This has me confused. Is the wiring on my car correct? Should I modify the loom to supply a true 12 volts to the coil ( I have an Igniter ignition now). Any help will be appreciated. I am losing sleep over this. Thanks in advance.

Danny D Smith