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Old 02-24-2020, 01:35 PM   #3
Phil Gillespie
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Join Date: Sep 2011
Location: Christchurch New Zealand
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Default Re: 59a Engine swap Temperature Sensors.

Quote:
Originally Posted by JSeery View Post
Only the single terminal is providing the ground to the dash gauge to display temperature. The two terminal sender is just a switch (on/off) that is preset to a temperature. When the points in the two terminal sender are closed it just passes through the ground signal from the one terminal sender. When the two terminal sender exceeds a set value the points open and remove the ground to the gauge which causes it to read full hot.

Appreciate the clarification on the temperature sensors operation.
I think my best bet is the have two aftermarket temperature gauges fitted, monitor and swap for side to side for comparrison. Have just flushed radiator and engine. Dont want to cook this one.
Phil NZ
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