What sensors are these?

BC4Lyphe · Nov 4, 2018

I've begun wiring my 12v for my f350 and am trying to use the factory harness.

I'm sure I'll have more questions in the next week or so

What are the two sensors here on either side of the alt bracket?

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79jasper · Nov 4, 2018

Gotta be coolant temp sensors. One is likely temp for the gauge, the other is a over temp warning switch, or could run the cold advance stuff on the pump.
(I think those pumps have that stuff)

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BC4Lyphe · Nov 5, 2018

Yeah I figured coolant but didn't know why they'd have two. Any idea how to tell which ones which? What would the timing advance look like on the pump? Do the senders have different ohms or something depending on the brand? (trying to use the F350 harness and gauge cluster)

towcat · Nov 5, 2018

one of the sensors is for the gauge. the other sensor is for the overheat indicator.
"normally" the fat one is for the gauge and the small skinny one is the overtemp.

What sensors are these?

BC4Lyphe

Registered User

79jasper

Chickenhawk

BC4Lyphe

Registered User

towcat

Supporting Member

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