4.3 Temperature switch or sensor?

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How do you know if you have a temperature switch or sensor? Also, where is the location of each? This is a 1990 Rinker 4.3 Mercruiser

 

[Silvertip]

Re: 4.3 Temperature switch or sensor?

A temp switch is an on/off device and would be used to turn a TEMP light on or off. If you have an analog temp gauge, a sensor is used.

 

[Don S]

Re: 4.3 Temperature switch or sensor?

You probably have both, what kind of problem are you having?

 

[jpg]

Re: 4.3 Temperature switch or sensor?

had a valve job done and when i got the boat back the temperature gauge didnt work. I replaced the sender and found a wire that was left off. But now It dosent seem to get any warmer than 120 degrees, It use to be up around 160 to 180.

 

[Don S]

Re: 4.3 Temperature switch or sensor?

Are you sure you installed the right sender for your gauge?<br />If you found a wire off, did you try it with your old sender? What color was the wire you found?<br />Is there a thermostat installed?