Problem with Autometer water temp gauge

55C150

55C150

Well-Known Member
I have a Autometer Cobra Series electrical water temp gauge (Part no. 201015). The first 3 days it worked fine. After the coolant get hot last weekend (200F) the gauge quit. Yesterday I found out that it will work when I disconnect the ground wire to the gauge, so only sender and the + wire are connected.
Is that normal? The sending unit is grounded by the engine.
 
55C150 said:
I have a Autometer Cobra Series electrical water temp gauge (Part no. 201015). The first 3 days it worked fine. After the coolant get hot last weekend (200F) the gauge quit. Yesterday I found out that it will work when I disconnect the ground wire to the gauge, so only sender and the + wire are connected.
Is that normal? The sending unit is grounded by the engine.
Click to expand...
Contact Auto Meter by Email.
Let them know the problem.
Sounds like a Bad sending unit.

I have read reviews of standard Autometer Sport comp gauges and just so so today.

I prefer full mechanical bourdan capillary tube gauges.
Pro Comp is the Best to Buy. Have to pay extra $$.
 
My Club brothers told me the same on the mechanical gauges. Water temp would be no problem. But I don't want fuel pressure or oil pressure full mechanical, if they fail I have fuel or oil in the inside of the car.
 
Maniacmechanic1 said:
Contact Auto Meter by Email.
Let them know the problem.
Sounds like a Bad sending unit.

I have read reviews of standard Autometer Sport comp gauges and just so so today.

I prefer full mechanical bourdan capillary tube gauges.
Pro Comp is the Best to Buy. Have to pay extra $$.
Click to expand...

I wrote Autometer, the gave me a describtion to find out if I have a bad sending unit or gaue. I found out that the sending unit is bad. Like you said.
I ordered a new one, in 3 weeks I will hopefully have a working water temp.
Thank you for the advice.
 
55C150 said:
I wrote Autometer, the gave me a describtion to find out if I have a bad sending unit or gaue. I found out that the sending unit is bad. Like you said.
I ordered a new one, in 3 weeks I will hopefully have a working water temp.
Thank you for the advice.
Click to expand...
Ok. Your Welcome.
 
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