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Oil Pressure Gauge - GTS

Hi all, got my hands on a set of Yellow Needle GTS Gauges today and to my surprise there is a little black box hanging off the cluster that houses the oil pressure, temp etc. It has been professionally done by a mob here in Melb, old company sticker but as there is no 9 preceding the phone number, and here's what's happening. As per normal the Drk Blue post is there but there are 3 wires coming out from the oil pressure gauge, Red, Black, Green. They have all been soldered within the cluster and the red goes to the Amp connection, the Black to the negative circuit and the Green to the 5v point that connects to the inner workings of the oil pressure gauge.

Any ideas?

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"I'd suggest the Drk Blue was on the Oil Pressure gauge. "

Agreed. This Wire connects to the Oil Pressure Sender ... http://holdenpaedia....

You have an Electric Gauge and not a Pressure Gauge.

It's likely Red connected to the Ignition and Green to the Dash Light Circuit for Illumination.

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Please use, Holdenpaedia will get the first box on the left side. Post any suggestions.

T

My Shed

Holdenpaedia, they're the brakes Mate.

T, edited original post just now. The Drk Blue wire is there, so these connections are all extra. Thinking it's to suit a sensor designed for a light rather than gauge. Some sort of converter maybe.

Daz.

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Please use, Holdenpaedia will get the first box on the left side. Post any suggestions.

VT V6 Wagon
HJ 308 UTE (rebuilding) http://www.308hj-ute...

Maybe someone has made a +5 Volt Regulator for the Dash Gauges (Fuel and Temperature).

Being thermal they need regulated Voltage.

The Oil Pressure Gauge uses direct Battery Voltage on pre-V6 Holdens.

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Please use, Holdenpaedia will get the first box on the left side. Post any suggestions.

T

My Shed

Holdenpaedia, they're the brakes Mate.

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Please use, Holdenpaedia will get the first box on the left side. Post any suggestions.