I found this thread while searching info about the Grote.
I just need to know if it's necessary to ground the Grote device to the chassis so that...
I need wiring info for a Grote 966-4 turn signal. It's 4 wires. Does it use a chassis or common ground for the negative 12 volts?
Does this wiring utilize a common ground or chassis ground as the negative 12v feed?
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