Originally Posted by
Chesapeake Fisher
I have heard from Garmin that they do not sell GHC 10 anymore and the newer version GHC 20 would require new pumps, different wiring etc. The pump I have is the GHP10 - 2.1L
You called Garmin tech support and they told you the GHC 20 would not work with a GHP 10 system?
Nonsense.
https://support.garmin.com/en-GB/?fa...4N3aJrQv1fuR8A