10-26-2014, 01:50 AM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Mike,
The resistance of the sender should read 240 ohms empty, 33 ohms full.
The gauge will read nothing when the sender circuit is open, ie: faulty sender or wire disconnected etc.
I use a decade resistance box for gauge operation diagnosis. Quite easy to dial up your resistance values to test gauge operation in almost infinite steps.
__________________
Gary
Gold Certified Holden Technician
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