[s-cars] Headlamp relay wiring weirdness - Insight needed

[Dave Ellis]

Doyt W. Echelberger wrote:
> When I added relays to a headlight wiring harness, I also added a ground 
> wire harness to match the wire diameters in the new system.
> I also twisted and soldered the connections.
> Doyt

I did the same.  12Ga automotive wire from positive through relays to 
headlamps, and a single 10Ga wire for ground.  All connections are 
crimped and high-temp soldered.
-Dave