Depends on firewall layout a bit. I usually run the big one around the pilot side sump parallel to the starter wire in separate clamps and the field wire down the right side with cht, flowmeter, etc.
Mine are bundled together up to the firewall where they split up. No problems for me.
__________________ David C.
Howell, MI
RV-10: #41686 Under Construction
RV-9A: #90949 Under Construction
RV-10: #40637 Completed/Sold 2016
Cozy MKIV:#656 Completed/Sold 2007 "Donor Exempt" but donated through Dec. 2020