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Water Temp Senders
https://www.slantsix.org/forum/viewtopic.php?t=38808		 Page 1 of 1
Author:  66aCUDA [ Thu Jan 28, 2010 7:53 pm ]
Post subject:  Water Temp Senders
Looks like there are several type of sender units. How do you tell which is for a gauge and which is for an idiot light?
Frank
Author:  emsvitil [ Thu Jan 28, 2010 8:26 pm ]
Post subject: 
A gauge sensor has variable resistance depending on temperature.

An idiot light sensor usually a contact switch that's opened or closed.
Author:  66aCUDA [ Thu Jan 28, 2010 8:32 pm ]
Post subject: 
Thanks ED
Didnt know if it was easy to see the difference.
Frank
Author:  SlantSixDan [ Thu Jan 28, 2010 9:09 pm ]
Post subject: 
Keep in mind there are different resistance ranges for the temp senders, too, and different terminal types.
Author:  Old6rodder [ Thu Jan 28, 2010 10:00 pm ]
Post subject: 
Quote:
Keep in mind there are different resistance ranges for the temp senders, too, and different terminal types.
..... and keep your receipt. I've found the later range on both type replacements lately, no matter what year fit the box listing was. Took'em back three times before I got smart enough to take a meter with me (sometimes I'm a slow learner) and find that that resistance was all they had.

Finally found some correct ones on e-bay.

Dan, do you know when they changed?
Author:  66aCUDA [ Fri Jan 29, 2010 8:46 am ]
Post subject: 
All Good info. I just have a box of the sensors that I have pulled off of heads that I accumalated over the years. I dont need the idiot light type so just wondered if you could see the difference. It wont be any problem to set up a pan of hot water and a meter to test them.
Thanks,
Frank
Author:  SlantSixDan [ Fri Jan 29, 2010 10:42 am ]
Post subject: 
I know there was a change from '63 to '64, but I'm not sure what changes there might've been after that; I'll have to dig.
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