Quote:
Originally Posted by Pazuzu
There are 50amp relays specifically designed for radiator fans. The relay can be the same or stronger than the fuse, but not weaker.
The switch side of the wiring can be tiny, since there's basically no electricity running on that side. 18 gauge is fine. The switch can be on either side of the relay, it won't know or care.
For the fan wiring, 8 gauge should be plenty, assuming it's connecting the relay to a fuse panel,right in the engine bay. 6 or 7 feet total path between the fuse, to the relay, and back to the ground point.
|
Exact answer, and why we use relays.