My rad split today so I took it out. My oil pressure gauge is always showing 5 bar. If i disconnect the wires it still shows 5 bar. I see a single wire sender and a double wire sender(photo) can anyone tell me if this wiring is right? It should be as it has a cap on the single wire. Before I put my rad back in I would hope to get this gauge working again. Any help appreciated...Ta!
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No photo.
A constant oil pressure gauge reading of 5 Bar is the tell-tale sign that the gauge sender is FUBAR'd. Here is some oil pressure gauge info to read:
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant -
Ha! Hadnt quite got the photo on! It's on now!
2 senders, one conduit with 3 wires, one goes to a single sender one goes to a double. I will have a look at the link, thanks!Comment
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Anyone got a spare analogue sender
, am I right in thinking I should be able to get it to drop if I short the 2 wires?
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There is so much rust and corrosion on your engine and accessories, e.g. the after-run pump is not looking happy, I suspect the sender might still be good but the connections are corroded, etc. I would start by removing the sender with the two wires and cleaning everything up, including the mating surface on the block and the two male and female spade connections.
After-run pump info: http://forums.quattroworld.com/s4s6/msgs/21503.phtml
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avantComment
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It is a bit horrible in there, my rad has been weeping for a while.
Does anyone know what resisance readings I hould be getting off the double pole sender if I put a multimeter across it during running or engine off?Comment
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