I have 99 Scarab AVS with 502 Mag Mpi and am replacing all the gauges. Gaffrig recomme nded I replace the oil pressure senders. My question is where is this located and also the location of the oil temp sender as may replace those as well. Tried Merc hot line but no help.

Thanks

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Pressure sender is on the back port side of the block, near the traditional oil filter location.

I think the temp sender is on the back starboard side.

You really should not need to replace either one of the senders unless they are a totally different style of guage.

Pressure senders is in the block below #7 cylinder.
Oil Temp sender can vary depending on where Scarab put it. There is no factory Merc location.

Thanks!!

thats good info griff.