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Ask go-west.. Your Own Question
go-west.., Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 1131
Experience:  Technican with 20 years experience focused on engines and electrical.
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My temp gauge sticks to cold after my motor warms in freight

Customer Question

My temp gauge sticks to cold after my motor warms in freight liner FLD with Detroit s60 . Changed temp sending unit, gauge, all harness to n from ecm, thermostat and edm. Please help me
JA: What's the make/model/year of your truck? Engine type?
Customer: Freight liner FLD 2003 with Detroit s60
JA: Anything else you want the truck mechanic to know before I connect you?
Customer: No
Submitted: 1 month ago.
Category: Medium and Heavy Trucks
Expert:  go-west.. replied 1 month ago.
Good evening
Does the coolant gauge ever work?
Does the check engine light ever come on?
Does the fan work properly?
Does the gauge get proper voltage at wire 81 c
Customer: replied 1 month ago.
Gauge work first 10 min then moves Between 100 and 250 then settles in 100 and fan is continues
Customer: replied 1 month ago.
Check light never came on
Customer: replied 1 month ago.
Didn't check the voltage at gauge
Customer: replied 1 month ago.
Any idea
Customer: replied 1 month ago.
Need help please if you are busy can another tech help me
Expert:  go-west.. replied 1 month ago.

sorry for the delay

been looking for this document

Expert:  go-west.. replied 1 month ago.

have a look at the diagram make sure the wiring is right

did you do coolant temp sender on the engine side ??

or the brass colored one..

Customer: replied 1 month ago.
One on passenger side by thermostat

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