Oil temp. and pressure gauges/senders

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <01bcdebd$68f05f60$LocalHost@default> David Boyd writes:

> This oil pressure sender is a round metal canister with two wire connectors.
> The Haynes wiring diagrams are very hazy about sender connections, and all
> the examples I can find only show one wire to this sender. Any guidance re
> connecting this up would be appreciated - is the second wire just an earth,
> perchance ?

>From "Reparaturleitfaden Audi quattro, Ausgabe 10/87, D 000.5147.00.00"

    Only contact "G" on the oil pressure sender is used.

    Remove the connector from the oil pressure sender G10.

    Connect VAG 1526 to contact G on G10 via an extension cable and
    to chassis ground.

    Switch VAG 1526 to the 200 ohm range.

    With the engine off, the reading should be 5 to 10 ohms.

    With the engine idling, the reading should be 70 to 120 ohms.

    With the engine at 3000rpm, the reading should be 170 to 200 ohms.

    Attach the ohmmeter between contact WK on G10 and chassis ground.

    With the engine idling, the resistance should be zero to 0.5 ohm.

    With the engine off, the resistance should be infinite.

-- 
 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club