Quote:
Originally Posted by dv657172
1972 GTO, auto with non-rally guages
I found an unconnected temp sending unit(?) on the back of PS cylinder head.
The service manual says the temperature sending unit is on the side of the PS cylinder head which I have and is connected although not working as telltale light doesnt come on at startup despite bulb being good.
Was the sending unit in the picture installed by Pontiac or a previous owner for a guage as car does not have rally guages or is it for something else?
Thanks
DV
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Looks like a misplaced knocksensor, originally used on much later egines.
JMHO