Speedometer

[PreachRick]

I just purchased a new (to me) boat. It is a 1983 Mercedes walk through. The speedometer does not work. Does a boat speedometer work off of the motor or off of something else. The Motor is a Mercury Marine Serial # 6365879

 

[GA_Boater]

Something else. Either a pitot speedo pickup on the stern or built into the lower unit and some speedos use GPS for speed.

 

[racerone]

My project boat will have a GPS speedometer.------Just hook up 12 volts and away you go.-----Mine wiil be accurate from 0 to 80 MPH.

 

[Kingmt01]

Posting a serial number usually doesn't help much. It's kind of like posting your VIN number as public information. However there is digits in a vin that can be useful. Also vin numbers are usually registered to you while serial numbers you have to keep track of yourself.

 

[GA_Boater]

Posting a serial number usually doesn't help much. It's kind of like posting your VIN number as public information. However there is digits in a vin that can be useful. Also vin numbers are usually registered to you while serial numbers you have to keep track of yourself.

What in the world are you talking about? This has nothing to do with speedos.