Navigation Equipment Repair & Install for Boats and Yachts
When your navigation equipment is unreliable, everything onboard gets harder. We provide professional navigation equipment installation, troubleshooting, repair, and integration for boats and yachts, with a focus on making sure your systems work together clearly and reliably when you need them.
Mobile Marine Service | Marine Electronics Integration | All Vessel Types
Professional Navigation Equipment Support Onboard Your Ship
Our navigation equipment services cover the full lifecycle of onboard electronics, from new installations and upgrades to fault diagnosis, repair, and system integration. This includes chartplotters, radar, GPS antennas, AIS, autopilot interfaces, depth and wind instruments, heading sensors, and networked displays.
Marine navigation systems are different from home or automotive electronics. Onboard equipment has to deal with vibration, salt exposure, heat, moisture, power fluctuations, and communication between multiple connected devices. A proper marine installation is not just about getting a screen to turn on. It is about making sure the system performs reliably underway and communicates properly with the rest of the boat.
Common Navigation Jobs We Handle:
When navigation equipment starts acting up, it is not just an inconvenience.
You rely on these systems for route awareness, traffic visibility, depth information, radar overlay, weather tracking, and overall confidence at the helm. Whether you are cruising offshore, running at night, fishing, or simply moving through busy waterways, your electronics need to work together clearly and consistently.
Good navigation equipment helps you make better decisions. Poorly installed or unreliable equipment creates confusion at the exact moment you need clarity.
- Chartplotter installation
- Radar installation
- GPS antenna setup
- AIS integration
- Autopilot display connection
- NMEA network troubleshooting
- Multifunction display replacement
- Instrument calibration
- Sensor diagnostics
- Cable rerouting
- Power issue diagnosis
- System communication repair
How Navigation Equipment Fails in Boat and Marine Usage
Most navigation problems we see are not caused by one piece of equipment failing all at once. They usually come from poor installation, weak connections, network issues, sensor conflicts, or power problems that build over time.
Common real-world problems include:
- Radar not showing on the display
- Displays not talking to each other
- GPS position dropping out
- Depth readings cutting in and out
- Autopilot data not syncing
- AIS targets missing or delayed
- Corroded connectors behind the helm
- Loose wiring under vibration
- Voltage drops causing restarts
- Water intrusion at cable entries
- Network backbone faults
- Incorrect device configuration
These problems often start small. A system may work intermittently, lose connection at random times, or only fail under load. Over time, what feels like a small annoyance can turn into a system you no longer trust underway.
Local San Diego Service Area & Global Support Available for Navigation Equipment
We provide mobile marine service to boats and yachts across marinas, harbors, and coastal regions throughout San Diego and surrounding coastal communities. From downtown waterfront slips to private docks and boatyards, our team travels directly to your vessel to deliver professional, on site service where you need it most.
We regularly service vessels at popular locations including Safe Harbor Sunroad Marina, Safe Harbor Cabrillo Isle Marina, Kona Kai Marina, Shelter Island Marina, Marina Cortez, Coronado Yacht Club, Mission Bay Marina, and Oceanside Harbor.
Whether your boat is docked in San Diego Bay, Mission Bay, Coronado, Chula Vista, Oceanside, or surrounding Southern California waters, Zisser Marine delivers reliable mobile service directly to your slip.
Our Services in San Diego and Internationally

Core / General Electrical Repair
Power loss, intermittent electrical issues, or system faults anywhere on the vessel. Battery inspections and replacements, charger and inverter troubleshooting, transfer switch repairs, AC and DC system diagnostics, wiring corrections, panel upgrades, and full system overhauls to restore safe and reliable onboard power.

Fishing Boat Electrical Equipment Repair
Sounders and transducers not reading accurately. Bait tank pumps losing pressure or failing. Fish box macerators and ice chippers not operating properly. Downrigger and outrigger electronics malfunctioning. Deck and work lighting issues that affect visibility and safety during early departures or late returns.

Navigation Equipment Repair & Installation
Chartplotters, radar systems, AIS, wind instruments, depth sounders, and full onboard network integration. Radar not powering up or not displaying on your chartplotter. GPS position dropping out. Autopilot not syncing. Your navigation electronics not communicating properly across the system.

Battery / Inverter System
Battery banks, inverter and charger systems, and full DC to AC power integration. Inverter not powering outlets or tripping under load. Batteries not holding charge or draining too quickly. Shore power not charging properly. Your onboard systems losing power unexpectedly or not supplying clean, stable energy throughout the vessel.
