Why isn't my thermostat gauge on the dash working at al in my 89 f150 4X4 XLT Lariat with 5.0L engine its not the theromstat its new and there's no other issues with it overheating but gauge dont work

160

Asked by Jan 12, 2015 at 11:48 PM

Question type: Maintenance & Repair

11 Answers

71,335

Check tempreture sending unit,or wiring to guage.

160

Where is the temperature sending unit at on that engine is there a sensor for it like there is on the 90s chevy trucks

71,335

Yes,should be right at thermostat housing.

71,335

Top radiator hose,follow to housing,should be in it.

160

There's nothing but the hose going back to radiator?

71,335

At motor block,

160

Thermostat is inside there but nothing with any wires showing to possibly b the sensor

71,335

There is a housing going into block,at that ,there will be a sensor.

160

Ill have to look at it again n find out ill b on here throughout the day tomorrow bc i have a few things to figure out with this truck

71,335

If not there ,it will be on the intake somewhere,google it.There are photo,s of it.

160

Ok ill do that thx

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