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Author Topic: Additional gauge wiring  (Read 1125 times)
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lanciamad
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Marcus Robinson


« on: December 28, 2014, 03:47:36 PM »

I've fitted some additional gauges for oil pressure and water temperature, 12v and earth aside, the signal wire for both, can it be spliced off the original wiring to give readings? Or will effectively splitting the wiring to two gauges (as I would like to keep the originals active) cause mayhem?
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rossocorsa
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« Reply #1 on: December 28, 2014, 04:47:21 PM »

I suspect this may not work but more importantly if you are looking for accurate readings you'd really need to use better sender units anyway
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lanciamad
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Marcus Robinson


« Reply #2 on: December 28, 2014, 06:31:23 PM »

I would guess that is the case too, perhaps i'll have to fit another union to run two senders
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1982 - Lancia Beta HPE 2000ie - Track - http://www.betaboyz.myzen.co.uk/forum/index.php?topic=472.0
1988 - Lancia Delta HF Turbo - Sorn - http://www.lanciasport.com/forum/index.php?topic=2585.0
1989 - Lancia Delta 1300 LX - Sorn
1988 - BMW E30 325i - Track
2005 - Subaru Forester XT STI - Road
HFStuart
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« Reply #3 on: December 28, 2014, 10:01:55 PM »

If you can always go capillary for oil pressure - they're pretty much infallible.
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gengis
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« Reply #4 on: December 28, 2014, 11:15:55 PM »

This would cause a parallel current path via the two gauges to earth, and cause neither of them to read correctly.  Both are standalone and matched...sender - instrument schemes.

See my post on "sump removal" there is some useful info there.
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