Garmin GMR 606 User's Manual | Page 5

Garmin Radar Detector User's Manual - GMR 606.
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GMR 600/100 Series Installation Instructions 

 5

To install the cable assembly:

1.  Align the notch and locking ring on the power cable to the power connector. Press the 2-pin 

power cable to the power connector. Tighten the power-cable locking ring clockwise until it is 

firmlysealed..

2.  Press the RJ-45 marine network cable to the RJ-45 socket. Tighten the RJ-45 locking ring 

clockwiseuntilitisfirmlysealed.

3.  Route the power and network cables through the front of the radar (Figure 7), or through a 

hole drilled through the mounting surface (Figure 8). Avoid excessively bending or twisting the 

cables.

4.  Install the hatch on the front of the radar.

Figure 7

Figure 8

Connecting the Radar to Power Through the Voltage Converter

Connect the radar power cable (red and black) to the voltage converter output cable (red and black) using the supplied heat-shrink crimp 

connectors. After crimping the connections, heat the connectors to shrink the housing for a water resistant fit.

  nOTICe: If you choose to cut the radar power cable, you must reconnect the in-line fuse holder.

Connect the radar to the water ground of the vessel using an 8 gauge copper cable (not included). Secure the ground wire to the radar housing 

using one of the four mounting studs, an M10 nut, and flat washer.

Power Wiring Diagram

10–0 Vdc

(0–0 Vdc for 

the GMR 1204 

and 106)

+

-

Garmin marine network cable

Radar power cable

GMR 600/100 series radar

Power converter

To RF ground

To water ground

7.5 A fuse

Power connector

RJ-45 network 

cable connector

Power connector

0.514720s