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PostPosted: Tue Jul 25, 2017 3:20 pm 
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Location: Canberra, Australia
I didn't want to cut holes in my new dash for some extra gauges so I made a small pod.

All wired up apart from installing the new oil sender on the engine.

Front view

Image20170726_003221 by pureredcordial, on Flickr


Rear view

Image20170601_233111 by pureredcordial, on Flickr


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PostPosted: Tue Jul 25, 2017 4:06 pm 
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Location: Lewes, East Sussex - UK
Too much wire! Lol

How are you going to do the sender? I have mine using a sandwich plate so I can have both pressure and temperature, but it is very tight for space sand I have had the sensor shorting out on the metal work if you don't get the clearances right.

Oil pressure and oil temperature sensors in a sandwich plate adapter.
Attachment:
oil pressure sandwich plate.jpg
oil pressure sandwich plate.jpg [ 251.16 KiB | Viewed 409 times ]


John

P.S. I still have the original oil pressure light which would come on if there was a drastic drop in oil pressure - i.e. to ZERO!

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Last edited by heinkeljb on Tue Jul 25, 2017 10:33 pm, edited 2 times in total.
added picture


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PostPosted: Tue Jul 25, 2017 10:20 pm 
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I'm just measuring pressure. The sender has both pressure and low pressure signals but is quite tall and would probably foul on the distributor. I bought a M10 banjo bolt 90 degree adaptor and 1/8th adaptor. Then the sender should fit horizontally. That's the plan at least.


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PostPosted: Wed Jul 26, 2017 10:24 pm 
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Image

I like your key fob.


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1971 North American 700AP Haflinger Pathfinder


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PostPosted: Thu Oct 19, 2017 9:08 pm 
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Here's what I did for the sender.
10mm banjo <-> 10mm - 1/8th adapter <-> sender.

The sender has two outputs - one for the gauge and one for the dash red light.

Image20171014_233709 by pureredcordial, on Flickr


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PostPosted: Thu Oct 19, 2017 10:09 pm 
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Location: Lewes, East Sussex - UK
Looks good, but I would go and buy some insulating covers to slide of the terminals before some thing shorts out on them! I don't think there is very much clearance between them and the engine cover door. Bit of heavy vibration might just produce enough flex for it to touch.
If it sounds like I am harping on, I am - On my Haf, it caused the oil pressure gauge to go nuts, but could just have easily melted the wires and these engines have been known to catch fire what with all the oil and petrol fumes swirling around.

John

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PostPosted: Thu Oct 19, 2017 10:11 pm 
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Good point. I was thinking of running rubber strips on the body but some sort of terminal cover would look neater.

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PostPosted: Fri Oct 20, 2017 1:59 am 
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Location: Canberra Australia
Matt - where did you get that double sender? I didn't know they existed and will help on another project.

I might also change the arrangement on the Haflinger as my arrangement has the little oil filled pipe running all the way from the oil pump sender port all the way to the gauge on the dash. Installed by the previous owner and has not been an issue but I guess there is always it could fail and I could loose engine oil.

Garry

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PostPosted: Fri Oct 20, 2017 6:45 am 
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Gary,
Capillary action guages are far better than the electric ones, except for the possibility of a leak. It obviously won't leak a huge amount of oil, but any oil leak "looks" worse than the actual hole as it spreads and covers a big area.

Like Gary, I didn't know you could get a combined sensor, would have made my install easier.

John

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PostPosted: Fri Oct 20, 2017 3:53 pm 
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Location: Canberra, Australia
All the extra gauges I installed are "marine" ones off ebay. Wema / KUS brand which are pretty cheap. You can see the gauge on their US site http://wemausa.3dcartstores.com/Oil-Pressure-Gauge_p_86.html

The pack I bought came with the sender. But dual output senders are on ebay by themselves eg http://www.ebay.com.au/itm/Universal-Engine-Oil-Pressure-Sensor-Gauge-Sender-Switch-Sending-Unit-1-8-NPT-/382090785133?epid=893784858&hash=item58f662b16d:g:0UQAAOSwY3BZHonl

As an aside, the marine tachometers have a button to program the number of ignition pulses that represent one revolutions (that ranges on mine from 0.25 up to 250) to cater to the variety of poles, cylinders, stroke on inboard and outboard engines. Plus they max at 6000 rpm and most of the auto ones go much higher.

The banjo bolt and adaptor are off ebay too. There are some pretty cheap ones but I bought some brass ones from a ebay truck part specialist which cost a little more ($30?)

--matt


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