Do I have a "low coolant switch?

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Do I have a "low coolant switch?

Postby Rickard0 » Fri Nov 25, 2022 6:26 pm

1977 Buick Skyhawk S 231 V6. I was troubleshooting the light harness, and noticed a Black/Yellow wire that has a single connector just hanging. it looks like below image. According to the Wire Diagram found on this site it belongs to the Low Coolant Switch. I can't find a reference image to show where the location is or if I even have one.


Image
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Re: Do I have a "low coolant switch?

Postby cosvega76 » Fri Nov 25, 2022 7:19 pm

If you still have a Low Coolant sensor - a replacement radiator may not have the bung - it will be on the side of the radiator tank, about a third- to half-way down.


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Re: Do I have a "low coolant switch?

Postby Rickard0 » Sun Nov 27, 2022 2:47 pm

Thanks, I do not see one, so it looks to be just an unused cabled on a standard wire harness.
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Re: Do I have a "low coolant switch?

Postby cjbiagi » Sun Nov 27, 2022 4:11 pm

Most replacement tanks did have the bung since it was standard equipment.
Clyde.........75 Monza 2+2
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