Volts, oil pressure (via a transducer not direct pressure) ambient air temp, but not oil temp as that would be a custom fitment.
Attached wiring diagrams. Note B is a turbo gauge, C is oil pressure.
{"embed-external":{"data":{"url":"https:\/\/cdn.ozvolvo.org\/uploads\/OA2RS5LJ80LD\/6c537cb4-3f48-44da-8e74-cf10159ef575.jpeg","name":"6C537CB4-3F48-44DA-8E74-CF10159EF575.jpeg","type":"image\/jpeg","size":1956229,"width":1440,"height":1920,"displaySize":"large","float":"none","mediaID":28960,"dateInserted":"2022-07-29T10:09:56+00:00","insertUserID":579,"foreignType":"embed","foreignID":579,"embedType":"file"},"loaderData":{"type":"file","file":[],"progressEventEmitter":{"listeners":[null]}}}}
{"embed-external":{"data":{"url":"https:\/\/cdn.ozvolvo.org\/uploads\/D8PP7JXLDJSL\/4af6b6b1-b351-4222-b22b-6472b6fba3a2.jpeg","name":"4AF6B6B1-B351-4222-B22B-6472B6FBA3A2.jpeg","type":"image\/jpeg","size":2027715,"width":1440,"height":1920,"displaySize":"large","float":"none","mediaID":28961,"dateInserted":"2022-07-29T10:10:15+00:00","insertUserID":579,"foreignType":"embed","foreignID":579,"embedType":"file"},"loaderData":{"type":"file","file":[],"progressEventEmitter":{"listeners":[null]}}}}