Trim Sender Sending Unit for Penta DP-SM Drive, won't stay activated.
2002 Regal 2950, 8.1 GXI motor (420hp), Volvo Penta DP-SM 1.78 Outdrive.
New Trim Sending unit, Aftermarket unit, just like stock.
It takes hours to set the new trim sending unit to my stock gauge.
Once set out of water, try...
