as long as both are grounded to the case, they should work correctly. then it would be time to investigate other ground loop solutions.
My 2001 Mitsubishi Eclipse GT:
"The Project That Never Ends"
more projects then time!
Led Skyline Tail Lights--100%
High Power Led Reverse Lights--100%
Led third brake light--100%
Led front turn signals--0%
HID retro--100%
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