[DeTomaso] Temp Gauge Started Bouncing

[Forest Goodhart]

 I would check the connection of the wire at the sender. This sounds like a loose connection. If not there then check at the gauge.
    On Wednesday, September 30, 2020, 02:27:34 PM PDT, Joe Jaffoni <427390 at gmail.com> wrote:  
 
   1972, #3244 with stock veglia gauge, stock sending unit in block,
  aluminum radiator w/two strong fans that are temp controlled w/sensors
  from Byars, flow kooler water pump w/the aluminum pulley upgrade.
  Have driven about 600 miles since break in and getting it back on the
  road and then drove 1.5 hours to a cars and coffee and the gauge read
  fine at around 190 with the fans coming on and off depending on whether
  I was on the highway or local roads.
  On the drive home, the temp gauge started bouncing from about the 200
  degree mark andA  mostly to the lower temp side of the gauge. Got home
  and the car was not overheated and I checked it at the block and heads
  with infrared thermometer.A A
  Have others had this? Do I check wiring on gauge first? Sensor first?
  Any ideas that will shorten the troubleshooting process would be
  appreciated as I will have the car out this weekend and while it's not
  overheating, it's annoying to watch the needle bouncing around like
  that. Thanks for the help/insights.
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-------------- next part --------------
   I would check the connection of the wire at the sender. This sounds
   like a loose connection. If not there then check at the gauge.

   On Wednesday, September 30, 2020, 02:27:34 PM PDT, Joe Jaffoni
   <427390 at gmail.com> wrote:
     1972, #3244 with stock veglia gauge, stock sending unit in block,
     aluminum radiator w/two strong fans that are temp controlled
   w/sensors
     from Byars, flow kooler water pump w/the aluminum pulley upgrade.
     Have driven about 600 miles since break in and getting it back on the
     road and then drove 1.5 hours to a cars and coffee and the gauge read
     fine at around 190 with the fans coming on and off depending on
   whether
     I was on the highway or local roads.
     On the drive home, the temp gauge started bouncing from about the 200
     degree mark andA  mostly to the lower temp side of the gauge. Got
   home
     and the car was not overheated and I checked it at the block and
   heads
     with infrared thermometer.A A
     Have others had this? Do I check wiring on gauge first? Sensor first?
     Any ideas that will shorten the troubleshooting process would be
     appreciated as I will have the car out this weekend and while it's
   not
     overheating, it's annoying to watch the needle bouncing around like
     that. Thanks for the help/insights.
   _______________________________________________
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