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Discussion Starter · #1 ·
When installing electical mods on the 109, which is the best way to run the ground?

1. Ground to Neg terminal of battery.

or

2. Ground to chassis.
 

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NEVER ground to the negative terminal of a vehicle's battery!

You may get away with it forever, but you are causing a ground loop fault.

If you have a loop at the right frequency, you can cause malfunctions in your sensors and even your CPU.

Never ground closer to the battery than the other end of the main ground line.

Ground anywhere else on the chassis and you will be just fine.
 

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NEVER ground to the negative terminal of a vehicle's battery!

You may get away with it forever, but you are causing a ground loop fault.

If you have a loop at the right frequency, you can cause malfunctions in your sensors and even your CPU.

Never ground closer to the battery than the other end of the main ground line.

Ground anywhere else on the chassis and you will be just fine.
that is so true with electronics LISTEN TO SQUARE ROUNDER HE'S 100% CORRECT!!!!!!
 
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