Oil pressure sending unit

by Sheldon Burt in General Tech Discussion 11 years ago

Can anyone tell me where I might find a schematic or wiring instructions for the three pin oil pressure sending unit that is installed in my 912 ULS? I am having problems getting it to work with the Aviasport gauge that I am using. What I need to know is which pin does what in the sending unit. It is a BPR 456180 43/12 type PAA-21Y/81649.99 if that is of any help.

Re: Oil pressure sending unit

by Roger Lee » 11 years ago

Roger Lee

126 5.12k 4.53k

Hi Sheldon,

I'm not sure what the BPR sender is, but you most likely only need two wires. Most of us use either a single or double pole VDO sender or the newer three wire, but only using two wires for the new electronic sender.(Most here are familiar with the Honeywell unit by name)

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

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Oil pressure sending unit

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