[DeTomaso] Temp Gauge Started Bouncing

[Mike Drew]

Lori’s car had exactly the same symptoms and as Forest suggested, the cause was the failure of the crimp-on connector at the sender. I replaced it with a ring terminal and a nut for a more secure connection.

Mike

Sent from my iPad

> On Sep 30, 2020, at 15:34, Forest Goodhart <forestg at att.net> wrote:
> 
>    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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