DANGERXY

Gday Guys.
Got A Problem With My Oil Pressure Gauge.
It Sits At 0 When Off Of Course But When I Turn My Ignition On
The Guage Goes Straight To A Max Reading Way Over The 10 Reading.
I Think I Has Something To Do With Over Earthing, (so I've Been Told) It Used To Work Fine But Had Some Lecky Trouble And Cut The Sensor Wires, Onces Rejoined The Problem Started
Can Anyone Shed Some More Light On The Problem
ITS A VDO GAUGE

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'70 XW GT 351c 4V (SA)
'70 XW SEDAN
'71 XY FALCON UTE WORKED 351
'77 XC FALCON 500.
'92 EB FAIRMONT
'91 EB FALCON
'76 XB CONTINENTIAL
YES I LIKE MY FORDS TO

nassi

To see if the sender unit is at fault, remove the wire to the sender and the indicator should stay at 0. Then touch that wire to the block (ie earth it), and the indicator should go full scale.
Not a direct answer to your question sorry, but may be of some use in diagnosing.
nassi

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AUIII XR6 Ute
66 Mustang convertible
AUIII XR8 Sedan

Philaddis

Definately sounds like a fault in the wiring or the guage rather than the sender. Are you sure you reattached the wires correctly?

Otherwise it is possible that whatever method you used to reconnect the wires introduced extra resistance into the system. The sender and guage work on resistance to alter the reading.

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EB II XR8 5sp
K & N filter
Short throw shifter
Sunroof
Momo wheel
16" Tickfords
Koni adjustables
Just added climate control
Trip computer and
Cruise control