Quote Originally Posted by mikear View Post
Don’t use zip ties on the transducer cable
1. Use electrical tape or velcro to attach the transducer cable to your pole or trolling motor. Zip ties can damage the cable.

Don’t use undersized power wiring
2. Ensure you have adequate wire size for the load of your 93SV and GLS10 (black box). This system is sensitive to low voltage which you can get from undersized wiring. Most factory harnesses are too small and can cause too much voltage drop for these units to optimally operate. Depending on your electronics battery location you may need to run up to 8 AWG wire to power both the GLS10 and 93SV, or two runs of up to 10 AWG (one for each). I just put a battery in a storage compartment near my bow that is dedicated to the GLS10 and head unit. This limited my wiring distance, thus minimizing voltage drop.

Add a switch to the black box power supply
3. The GLS10 has minimal amp draw even when powered down. Garmin recommends a switch to isolate it from the battery. Won’t hurt anything unless you store your boat for extended periods without charging the battery. I installed a rocker switch up front for the GLS10 so I don’t have to worry about it.
Great advice. Thank you!


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