Topic: AS HHGPS cable connection

[Bebson]

This is an example of connecting Garmin handheld to Humminbird 798SI. Reason for doing this is becouse my internal GPS died, and I want to get GPS fix from Garmin.

Things you need:
- old Garmin PC cable
- humminbird AS HHGPS cable

Garmin pinout (male - device side):


pin 1 - data in  (white wire)
pin 2 - data out (brown or yellow wire)
pin 3 - ground (black wire)
pin 4 - +12V (red wire)



Garmin pinout (female - cable side):


Humminbird AS HHGPS pinout :


To do :
- Insulate white and red wire on humminbird AS HHGPS cable


- Insulate white and red wire on garmin cable


- Solder black to black, and himminbird green to garmin yellow (or brown, depends on your cable)


- Insulate all


Now go to garmin device - settings/interface/IO format/ and choose NMEA in/NMEA out

- Connect cable to devices, and now you have garmin GPS fix transfered to your HB unit