Garmin GPSMAP 2-Pin Power Cable
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Overview
The Garmin 010-10922-00 is a 2-pin DC power cable for wiring compatible GPSMAP 4xxx and 5xxx series chartplotters to a boat’s power system. It supports a 10–35 VDC supply range and uses a 7.5 A (42 V) fuse on the power lead for circuit protection.
This is the right cable when the original harness is missing, damaged, or you want a spare onboard. It plugs into the chartplotter’s 2-pin power port and provides simple red (+) and black (-) leads for a clean hardwire connection behind the helm.
Key features
- 2-pin connector for GPSMAP 4xxx and 5xxx series chartplotter power ports
- For 10–35 VDC boat systems, covering typical 12 V and 24 V installations
- 7.5 A (42 V) fused power lead for circuit protection
- Red positive and black negative leads for straightforward hardwiring
- Supports extended runs by tying into 14 AWG wiring between the boat supply and the cable leads
- Useful as a replacement harness or a spare kept onboard for quick recovery
Compatibility and fit
This cable is used for GPSMAP 4000/5000 series installations and is compatible across the GPSMAP 4xxx and 5xxx families. Commonly installed units in this range include GPSMAP 4008/4208, 4012/4212, 5008/5208, and 5012/5212.
It is a power cable, not a marine network or data cable. If your setup includes NMEA 0183, alarms, radar, sonar, or other networked accessories, those connections use separate cables and ports.
Installation and setup
Route the cable from the chartplotter to a switched DC feed at the helm, then connect red to positive and black to negative/ground. Keep the fuse in line on the positive feed, and match the fuse rating to 7.5 A.
For longer wire runs, extend the circuit using 14 AWG wiring to help manage voltage drop. Make permanent connections with soldered joints and seal them with heat-shrink tubing so the wiring holds up to vibration and occasional moisture behind the console.
Electrical and system integration
The 10–35 VDC input range works well on boats with either 12 V or 24 V house power, as long as the circuit is properly protected and switched. If you are troubleshooting intermittent shutdowns or screen dimming, check for loose terminations, corrosion at the power distribution point, and voltage drop under load before blaming the display.
Use on board
This cable is a good match for boats where the chartplotter is hardwired at the dash and you want a dependable service part on hand. Keeping a spare onboard can save a trip when a cable gets pinched during a refit, pulled during a dash removal, or damaged during electronics upgrades.
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