johnny86
Premium Member
Registered: 15th Feb 10
Location: in a bus stop.
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as above just recieved 1 from girlfriend got no instructions with it.. its got three wires on back does anyone know how to fit?? thanks
oh wire colours are red black and yellow
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Terry12
Member
Registered: 24th Sep 07
Location: Manchester
User status: Offline
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Have you got the sender for it?
At a guess the 3 wires will be
Red = +ve
Black = -ve
Yellow = signal from sender.
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johnny86
Premium Member
Registered: 15th Feb 10
Location: in a bus stop.
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what does the sender look like?? i dont think i have tbh
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Terry12
Member
Registered: 24th Sep 07
Location: Manchester
User status: Offline
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Oil pressure sender looks like this in the pic next to the gauge.
Oil pressure sender
It screws into the engine block.
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johnny86
Premium Member
Registered: 15th Feb 10
Location: in a bus stop.
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this is the 1 got from halfords but didnt have a sender unit in it does 20litre 8v have a sender already on it
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Terry12
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Registered: 24th Sep 07
Location: Manchester
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All cars have a pressure sender but only some Calibras and Mk2 Astra GTE had the dual pin pressure sender needed to run a gauge.
I'm not even sure the Vauxhall dual senders can run an aftermarket gauge. I've always used a seperate sender.
Think you're best off with something like this.
http://cgi.ebay.co.uk/AUTO-GAUGE-OIL-PRESSURE-SENDER-SENSOR-UNIT-/360261552224?cmd=ViewItem&pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item53e1430860
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johnny86
Premium Member
Registered: 15th Feb 10
Location: in a bus stop.
User status: Offline
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if i buy that will it fit on my engine and then to the gauge i alreadyhave??
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Terry12
Member
Registered: 24th Sep 07
Location: Manchester
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What engine is it?
Some engines have spare studs in the oil ways which a pressure sender can screw into.
Like on my 20XE there is a few blanking studs, I've fitted my sender in one. I also had to use a thread adaptor as the sender was imperial and the block was metric.
You'll need to find out if your engine has any spare threads.
If not you can fit a sandwich plate like this
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johnny86
Premium Member
Registered: 15th Feb 10
Location: in a bus stop.
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engine is just a 1.2 8v but i am fitting a 2.0l 8v on 45s and i wanna fir an oil cooler so sandwich plate would be the best option is that correct??
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Terry12
Member
Registered: 24th Sep 07
Location: Manchester
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If you're fitting an oil cooler you use a Vauxhall sandwich plate but the cooler pipework uses both outlets on the sandwich plate so no space for a sender gauge.
I'd hazard a guess that a 2ltr would have spare holes for a sender or 2. You got the engine to hand?
The sandwich plate I listed should work for you, Providing the oil cooler pipes use either M18 or M20 threads.
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johnny86
Premium Member
Registered: 15th Feb 10
Location: in a bus stop.
User status: Offline
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na havent brought engine yet mate hasnt removedit but i was going to buy a mocal one from demon tweeks so it was all new not too sure on sizes what do you suggest?
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Terry12
Member
Registered: 24th Sep 07
Location: Manchester
User status: Offline
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No idea bud, I'm using a standard Cavalier GSi cooler with stadard pipe work.
Ask at demon tweeks, I'm sure you can get M18 or M20 oil cooler fixings.
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