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Re: 2 Temperature Sending units?
I may be wrong, but the temperature sending unit for gauge (or light) was always in the intake and then the head. There could be a ported vacuum switch in the T-stat housing, but I don't believe the gauge sender was ever there from the factory.
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'83 K20-TPI
'73 C10
'79 C10-ex-diesel(SOLD)
'07 Tahoe(Son driving)
'14 Suburban-DD
'71 C10-current project
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