Photo Gallery: Replacing Your Battery Cables

A step-by-step look at replacing aircraft battery cables

Tuesday, October 31, 2017 at 08:11 AM ET

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Key Takeaways:

The article visually documents the process of replacing and routing new battery cables and connections within an aircraft, covering areas from the engine to the master solenoid and battery box.
Key steps include careful cable routing, securing connections, inspecting for corrosion, and replacing undersized or unnecessary wiring elements.
It emphasizes the importance of thorough photographic documentation of the work and the use of appropriate tools, such as a specialized crimping tool, for proper installation.

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Starter solenoid with new battery cable — Starter solenoid with new battery cable. Not shown is the new cable from the starter solenoid to the starter that I built to replace the smaller diameter copper cable that had been installed previously. Since I had the extra cable and terminals I made a new cable. Also shown is the aluminum cables that feed the instrument buss. They were not replaced and are not called out for replacement in the service bulletin.

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